Home / 1,615,930.48-2,423,891.67-478,781.20

Finding the Fourth Proportional to 1,615,930.48, 2,423,891.67 and 478,781.20

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Solution

The fourth proportional to 1,615,930.48, 2,423,891.67 and 478,781.20 is: 718,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,930.48 : 2,423,891.67 = 478,781.20 : x
  2. Step 2: Convert to fraction form
    1,615,930.48/2,423,891.67 = 478,781.20/x
  3. Step 3: Cross multiply
    1,615,930.48x = 2,423,891.67 × 478,781.20
  4. Step 4: Simplify right side
    1,615,930.48x = 1,160,513,762,432.60
  5. Step 5: Solve for x
    x = 1,160,513,762,432.60/1,615,930.48
  6. Step 6: Final answer
    x = 718,170.60

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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.