Home / 1,438,757.55-2,156,649.17-539,565.21

Finding the Fourth Proportional to 1,438,757.55, 2,156,649.17 and 539,565.21

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Solution

The fourth proportional to 1,438,757.55, 2,156,649.17 and 539,565.21 is: 808,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,757.55 : 2,156,649.17 = 539,565.21 : x
  2. Step 2: Convert to fraction form
    1,438,757.55/2,156,649.17 = 539,565.21/x
  3. Step 3: Cross multiply
    1,438,757.55x = 2,156,649.17 × 539,565.21
  4. Step 4: Simplify right side
    1,438,757.55x = 1,163,652,859,609.55
  5. Step 5: Solve for x
    x = 1,163,652,859,609.55/1,438,757.55
  6. Step 6: Final answer
    x = 808,790.10

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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.