Home / 822,824.40-1,234,236.60-791,331.60

Finding the Fourth Proportional to 822,824.40, 1,234,236.60 and 791,331.60

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Solution

The fourth proportional to 822,824.40, 1,234,236.60 and 791,331.60 is: 1,186,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,824.40 : 1,234,236.60 = 791,331.60 : x
  2. Step 2: Convert to fraction form
    822,824.40/1,234,236.60 = 791,331.60/x
  3. Step 3: Cross multiply
    822,824.40x = 1,234,236.60 × 791,331.60
  4. Step 4: Simplify right side
    822,824.40x = 976,690,423,456.56
  5. Step 5: Solve for x
    x = 976,690,423,456.56/822,824.40
  6. Step 6: Final answer
    x = 1,186,997.40

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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.