Home / 1,087,229.12-1,631,385.47-488,618.24

Finding the Fourth Proportional to 1,087,229.12, 1,631,385.47 and 488,618.24

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Solution

The fourth proportional to 1,087,229.12, 1,631,385.47 and 488,618.24 is: 733,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,229.12 : 1,631,385.47 = 488,618.24 : x
  2. Step 2: Convert to fraction form
    1,087,229.12/1,631,385.47 = 488,618.24/x
  3. Step 3: Cross multiply
    1,087,229.12x = 1,631,385.47 × 488,618.24
  4. Step 4: Simplify right side
    1,087,229.12x = 797,124,690,177.59
  5. Step 5: Solve for x
    x = 797,124,690,177.59/1,087,229.12
  6. Step 6: Final answer
    x = 733,170.85

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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.