This article shows the research results concerning the development of the variability of five selected ratios from the group of assets productivity in companies with extremely different financial and economic positions. The research was conducted on a test sample of 380 business entities: 190 companies subject to bankruptcy in the years 2007-2011 and 190 “healthy” companies. The research shows a different usefulness of various ratios of the financial analysis considered as one-dimensional bankruptcy predictors used to predict and early detect symptoms of companies threatened with bankruptcy.