Home / 1,489,766.66-2,234,860.14-478,549.64

Finding the Fourth Proportional to 1,489,766.66, 2,234,860.14 and 478,549.64

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Solution

The fourth proportional to 1,489,766.66, 2,234,860.14 and 478,549.64 is: 717,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,766.66 : 2,234,860.14 = 478,549.64 : x
  2. Step 2: Convert to fraction form
    1,489,766.66/2,234,860.14 = 478,549.64/x
  3. Step 3: Cross multiply
    1,489,766.66x = 2,234,860.14 × 478,549.64
  4. Step 4: Simplify right side
    1,489,766.66x = 1,069,491,515,447.35
  5. Step 5: Solve for x
    x = 1,069,491,515,447.35/1,489,766.66
  6. Step 6: Final answer
    x = 717,891.97

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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.