Home / 1,321,540.20-1,982,385.66-374,836.52

Finding the Fourth Proportional to 1,321,540.20, 1,982,385.66 and 374,836.52

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Solution

The fourth proportional to 1,321,540.20, 1,982,385.66 and 374,836.52 is: 562,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,540.20 : 1,982,385.66 = 374,836.52 : x
  2. Step 2: Convert to fraction form
    1,321,540.20/1,982,385.66 = 374,836.52/x
  3. Step 3: Cross multiply
    1,321,540.20x = 1,982,385.66 × 374,836.52
  4. Step 4: Simplify right side
    1,321,540.20x = 743,070,542,092.30
  5. Step 5: Solve for x
    x = 743,070,542,092.30/1,321,540.20
  6. Step 6: Final answer
    x = 562,276.15

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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.