Home / 1,120,202.80-1,680,304.20-372,248.80

Finding the Fourth Proportional to 1,120,202.80, 1,680,304.20 and 372,248.80

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Solution

The fourth proportional to 1,120,202.80, 1,680,304.20 and 372,248.80 is: 558,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,202.80 : 1,680,304.20 = 372,248.80 : x
  2. Step 2: Convert to fraction form
    1,120,202.80/1,680,304.20 = 372,248.80/x
  3. Step 3: Cross multiply
    1,120,202.80x = 1,680,304.20 × 372,248.80
  4. Step 4: Simplify right side
    1,120,202.80x = 625,491,222,084.96
  5. Step 5: Solve for x
    x = 625,491,222,084.96/1,120,202.80
  6. Step 6: Final answer
    x = 558,373.20

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Double scale
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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.