Home / 987,165.60-1,480,310.64-454,557.60

Finding the Fourth Proportional to 987,165.60, 1,480,310.64 and 454,557.60

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Solution

The fourth proportional to 987,165.60, 1,480,310.64 and 454,557.60 is: 681,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,165.60 : 1,480,310.64 = 454,557.60 : x
  2. Step 2: Convert to fraction form
    987,165.60/1,480,310.64 = 454,557.60/x
  3. Step 3: Cross multiply
    987,165.60x = 1,480,310.64 × 454,557.60
  4. Step 4: Simplify right side
    987,165.60x = 672,886,451,772.86
  5. Step 5: Solve for x
    x = 672,886,451,772.86/987,165.60
  6. Step 6: Final answer
    x = 681,634.83

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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.