Home / 1,026,132.60-1,539,198.90-278,178.60

Finding the Fourth Proportional to 1,026,132.60, 1,539,198.90 and 278,178.60

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Solution

The fourth proportional to 1,026,132.60, 1,539,198.90 and 278,178.60 is: 417,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,132.60 : 1,539,198.90 = 278,178.60 : x
  2. Step 2: Convert to fraction form
    1,026,132.60/1,539,198.90 = 278,178.60/x
  3. Step 3: Cross multiply
    1,026,132.60x = 1,539,198.90 × 278,178.60
  4. Step 4: Simplify right side
    1,026,132.60x = 428,172,195,123.54
  5. Step 5: Solve for x
    x = 428,172,195,123.54/1,026,132.60
  6. Step 6: Final answer
    x = 417,267.90

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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.