Home / 1,425,552.51-2,138,070.46-572,589.71

Finding the Fourth Proportional to 1,425,552.51, 2,138,070.46 and 572,589.71

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Solution

The fourth proportional to 1,425,552.51, 2,138,070.46 and 572,589.71 is: 858,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,552.51 : 2,138,070.46 = 572,589.71 : x
  2. Step 2: Convert to fraction form
    1,425,552.51/2,138,070.46 = 572,589.71/x
  3. Step 3: Cross multiply
    1,425,552.51x = 2,138,070.46 × 572,589.71
  4. Step 4: Simplify right side
    1,425,552.51x = 1,224,237,140,010.04
  5. Step 5: Solve for x
    x = 1,224,237,140,010.04/1,425,552.51
  6. Step 6: Final answer
    x = 858,780.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.