Home / 1,489,616.90-2,234,425.35-542,864.60

Finding the Fourth Proportional to 1,489,616.90, 2,234,425.35 and 542,864.60

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Solution

The fourth proportional to 1,489,616.90, 2,234,425.35 and 542,864.60 is: 814,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,616.90 : 2,234,425.35 = 542,864.60 : x
  2. Step 2: Convert to fraction form
    1,489,616.90/2,234,425.35 = 542,864.60/x
  3. Step 3: Cross multiply
    1,489,616.90x = 2,234,425.35 × 542,864.60
  4. Step 4: Simplify right side
    1,489,616.90x = 1,212,990,423,857.61
  5. Step 5: Solve for x
    x = 1,212,990,423,857.61/1,489,616.90
  6. Step 6: Final answer
    x = 814,296.90

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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.