Home / 1,488,633.12-2,231,938.92-757,359

Finding the Fourth Proportional to 1,488,633.12, 2,231,938.92 and 757,359

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Solution

The fourth proportional to 1,488,633.12, 2,231,938.92 and 757,359 is: 1,135,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,633.12 : 2,231,938.92 = 757,359 : x
  2. Step 2: Convert to fraction form
    1,488,633.12/2,231,938.92 = 757,359/x
  3. Step 3: Cross multiply
    1,488,633.12x = 2,231,938.92 × 757,359
  4. Step 4: Simplify right side
    1,488,633.12x = 1,690,379,028,512.28
  5. Step 5: Solve for x
    x = 1,690,379,028,512.28/1,488,633.12
  6. Step 6: Final answer
    x = 1,135,524.26

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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.