Home / 1,098,207.40-1,647,581.10-378,560.20

Finding the Fourth Proportional to 1,098,207.40, 1,647,581.10 and 378,560.20

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Solution

The fourth proportional to 1,098,207.40, 1,647,581.10 and 378,560.20 is: 567,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,207.40 : 1,647,581.10 = 378,560.20 : x
  2. Step 2: Convert to fraction form
    1,098,207.40/1,647,581.10 = 378,560.20/x
  3. Step 3: Cross multiply
    1,098,207.40x = 1,647,581.10 × 378,560.20
  4. Step 4: Simplify right side
    1,098,207.40x = 623,708,630,732.22
  5. Step 5: Solve for x
    x = 623,708,630,732.22/1,098,207.40
  6. Step 6: Final answer
    x = 567,933.37

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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.