Home / 1,489,766.91-2,234,860.52-478,549.89

Finding the Fourth Proportional to 1,489,766.91, 2,234,860.52 and 478,549.89

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Solution

The fourth proportional to 1,489,766.91, 2,234,860.52 and 478,549.89 is: 717,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,766.91 : 2,234,860.52 = 478,549.89 : x
  2. Step 2: Convert to fraction form
    1,489,766.91/2,234,860.52 = 478,549.89/x
  3. Step 3: Cross multiply
    1,489,766.91x = 2,234,860.52 × 478,549.89
  4. Step 4: Simplify right side
    1,489,766.91x = 1,069,492,253,618.59
  5. Step 5: Solve for x
    x = 1,069,492,253,618.59/1,489,766.91
  6. Step 6: Final answer
    x = 717,892.34

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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.