Home / 792,126.20-1,188,189.30-660,906.20

Finding the Fourth Proportional to 792,126.20, 1,188,189.30 and 660,906.20

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Solution

The fourth proportional to 792,126.20, 1,188,189.30 and 660,906.20 is: 991,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,126.20 : 1,188,189.30 = 660,906.20 : x
  2. Step 2: Convert to fraction form
    792,126.20/1,188,189.30 = 660,906.20/x
  3. Step 3: Cross multiply
    792,126.20x = 1,188,189.30 × 660,906.20
  4. Step 4: Simplify right side
    792,126.20x = 785,281,675,143.66
  5. Step 5: Solve for x
    x = 785,281,675,143.66/792,126.20
  6. Step 6: Final answer
    x = 991,359.30

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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.