Home / 1,026,452.20-1,539,678.30-278,498.20

Finding the Fourth Proportional to 1,026,452.20, 1,539,678.30 and 278,498.20

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Solution

The fourth proportional to 1,026,452.20, 1,539,678.30 and 278,498.20 is: 417,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,452.20 : 1,539,678.30 = 278,498.20 : x
  2. Step 2: Convert to fraction form
    1,026,452.20/1,539,678.30 = 278,498.20/x
  3. Step 3: Cross multiply
    1,026,452.20x = 1,539,678.30 × 278,498.20
  4. Step 4: Simplify right side
    1,026,452.20x = 428,797,635,129.06
  5. Step 5: Solve for x
    x = 428,797,635,129.06/1,026,452.20
  6. Step 6: Final answer
    x = 417,747.30

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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.