Home / 1,120,204.30-1,680,306.45-372,250.30

Finding the Fourth Proportional to 1,120,204.30, 1,680,306.45 and 372,250.30

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Solution

The fourth proportional to 1,120,204.30, 1,680,306.45 and 372,250.30 is: 558,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,204.30 : 1,680,306.45 = 372,250.30 : x
  2. Step 2: Convert to fraction form
    1,120,204.30/1,680,306.45 = 372,250.30/x
  3. Step 3: Cross multiply
    1,120,204.30x = 1,680,306.45 × 372,250.30
  4. Step 4: Simplify right side
    1,120,204.30x = 625,494,580,104.44
  5. Step 5: Solve for x
    x = 625,494,580,104.44/1,120,204.30
  6. Step 6: Final answer
    x = 558,375.45

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Double scale
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Similar ratio
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1.5x scale

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.