Home / 1,339,130.30-2,008,711.79-392,520.16

Finding the Fourth Proportional to 1,339,130.30, 2,008,711.79 and 392,520.16

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Solution

The fourth proportional to 1,339,130.30, 2,008,711.79 and 392,520.16 is: 588,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,130.30 : 2,008,711.79 = 392,520.16 : x
  2. Step 2: Convert to fraction form
    1,339,130.30/2,008,711.79 = 392,520.16/x
  3. Step 3: Cross multiply
    1,339,130.30x = 2,008,711.79 × 392,520.16
  4. Step 4: Simplify right side
    1,339,130.30x = 788,459,861,198.53
  5. Step 5: Solve for x
    x = 788,459,861,198.53/1,339,130.30
  6. Step 6: Final answer
    x = 588,785.02

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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.