Home / 1,040,092.20-1,560,138.30-292,138.20

Finding the Fourth Proportional to 1,040,092.20, 1,560,138.30 and 292,138.20

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Solution

The fourth proportional to 1,040,092.20, 1,560,138.30 and 292,138.20 is: 438,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,092.20 : 1,560,138.30 = 292,138.20 : x
  2. Step 2: Convert to fraction form
    1,040,092.20/1,560,138.30 = 292,138.20/x
  3. Step 3: Cross multiply
    1,040,092.20x = 1,560,138.30 × 292,138.20
  4. Step 4: Simplify right side
    1,040,092.20x = 455,775,994,713.06
  5. Step 5: Solve for x
    x = 455,775,994,713.06/1,040,092.20
  6. Step 6: Final answer
    x = 438,207.30

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Half scale
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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.