Home / 1,380,414.52-2,070,310.74-538,532.92

Finding the Fourth Proportional to 1,380,414.52, 2,070,310.74 and 538,532.92

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Solution

The fourth proportional to 1,380,414.52, 2,070,310.74 and 538,532.92 is: 807,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,414.52 : 2,070,310.74 = 538,532.92 : x
  2. Step 2: Convert to fraction form
    1,380,414.52/2,070,310.74 = 538,532.92/x
  3. Step 3: Cross multiply
    1,380,414.52x = 2,070,310.74 × 538,532.92
  4. Step 4: Simplify right side
    1,380,414.52x = 1,114,930,488,119.56
  5. Step 5: Solve for x
    x = 1,114,930,488,119.56/1,380,414.52
  6. Step 6: Final answer
    x = 807,678.04

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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.