Home / 1,420,787.00-2,129,691.92-662,002.70

Finding the Fourth Proportional to 1,420,787.00, 2,129,691.92 and 662,002.70

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Solution

The fourth proportional to 1,420,787.00, 2,129,691.92 and 662,002.70 is: 992,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,787.00 : 2,129,691.92 = 662,002.70 : x
  2. Step 2: Convert to fraction form
    1,420,787.00/2,129,691.92 = 662,002.70/x
  3. Step 3: Cross multiply
    1,420,787.00x = 2,129,691.92 × 662,002.70
  4. Step 4: Simplify right side
    1,420,787.00x = 1,409,861,787,249.71
  5. Step 5: Solve for x
    x = 1,409,861,787,249.71/1,420,787.00
  6. Step 6: Final answer
    x = 992,310.45

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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.