Home / 1,040,147.60-1,560,221.40-252,179.60

Finding the Fourth Proportional to 1,040,147.60, 1,560,221.40 and 252,179.60

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Solution

The fourth proportional to 1,040,147.60, 1,560,221.40 and 252,179.60 is: 378,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,147.60 : 1,560,221.40 = 252,179.60 : x
  2. Step 2: Convert to fraction form
    1,040,147.60/1,560,221.40 = 252,179.60/x
  3. Step 3: Cross multiply
    1,040,147.60x = 1,560,221.40 × 252,179.60
  4. Step 4: Simplify right side
    1,040,147.60x = 393,456,008,563.44
  5. Step 5: Solve for x
    x = 393,456,008,563.44/1,040,147.60
  6. Step 6: Final answer
    x = 378,269.40

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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.