Home / 1,578,147.71-2,367,500.40-513,002.16

Finding the Fourth Proportional to 1,578,147.71, 2,367,500.40 and 513,002.16

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Solution

The fourth proportional to 1,578,147.71, 2,367,500.40 and 513,002.16 is: 769,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,147.71 : 2,367,500.40 = 513,002.16 : x
  2. Step 2: Convert to fraction form
    1,578,147.71/2,367,500.40 = 513,002.16/x
  3. Step 3: Cross multiply
    1,578,147.71x = 2,367,500.40 × 513,002.16
  4. Step 4: Simplify right side
    1,578,147.71x = 1,214,532,819,000.86
  5. Step 5: Solve for x
    x = 1,214,532,819,000.86/1,578,147.71
  6. Step 6: Final answer
    x = 769,593.88

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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.