Home / 1,040,158.20-1,560,122.10-292,279.80

Finding the Fourth Proportional to 1,040,158.20, 1,560,122.10 and 292,279.80

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Solution

The fourth proportional to 1,040,158.20, 1,560,122.10 and 292,279.80 is: 438,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,158.20 : 1,560,122.10 = 292,279.80 : x
  2. Step 2: Convert to fraction form
    1,040,158.20/1,560,122.10 = 292,279.80/x
  3. Step 3: Cross multiply
    1,040,158.20x = 1,560,122.10 × 292,279.80
  4. Step 4: Simplify right side
    1,040,158.20x = 455,992,175,363.58
  5. Step 5: Solve for x
    x = 455,992,175,363.58/1,040,158.20
  6. Step 6: Final answer
    x = 438,387.33

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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.