Home / 1,109,910.20-1,664,865.30-361,956.20

Finding the Fourth Proportional to 1,109,910.20, 1,664,865.30 and 361,956.20

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Solution

The fourth proportional to 1,109,910.20, 1,664,865.30 and 361,956.20 is: 542,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,910.20 : 1,664,865.30 = 361,956.20 : x
  2. Step 2: Convert to fraction form
    1,109,910.20/1,664,865.30 = 361,956.20/x
  3. Step 3: Cross multiply
    1,109,910.20x = 1,664,865.30 × 361,956.20
  4. Step 4: Simplify right side
    1,109,910.20x = 602,608,317,499.86
  5. Step 5: Solve for x
    x = 602,608,317,499.86/1,109,910.20
  6. Step 6: Final answer
    x = 542,934.30

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Double scale
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Similar ratio
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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.