Home / 976,229.20-1,462,788.60-724,286.80

Finding the Fourth Proportional to 976,229.20, 1,462,788.60 and 724,286.80

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Solution

The fourth proportional to 976,229.20, 1,462,788.60 and 724,286.80 is: 1,085,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,229.20 : 1,462,788.60 = 724,286.80 : x
  2. Step 2: Convert to fraction form
    976,229.20/1,462,788.60 = 724,286.80/x
  3. Step 3: Cross multiply
    976,229.20x = 1,462,788.60 × 724,286.80
  4. Step 4: Simplify right side
    976,229.20x = 1,059,478,474,170.48
  5. Step 5: Solve for x
    x = 1,059,478,474,170.48/976,229.20
  6. Step 6: Final answer
    x = 1,085,276.36

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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.