Home / 1,425,284.31-2,138,026.25-572,355.93

Finding the Fourth Proportional to 1,425,284.31, 2,138,026.25 and 572,355.93

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Solution

The fourth proportional to 1,425,284.31, 2,138,026.25 and 572,355.93 is: 858,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,284.31 : 2,138,026.25 = 572,355.93 : x
  2. Step 2: Convert to fraction form
    1,425,284.31/2,138,026.25 = 572,355.93/x
  3. Step 3: Cross multiply
    1,425,284.31x = 2,138,026.25 × 572,355.93
  4. Step 4: Simplify right side
    1,425,284.31x = 1,223,712,002,683.16
  5. Step 5: Solve for x
    x = 1,223,712,002,683.16/1,425,284.31
  6. Step 6: Final answer
    x = 858,573.97

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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.