Home / 824,423.60-1,236,635.40-743,067.20

Finding the Fourth Proportional to 824,423.60, 1,236,635.40 and 743,067.20

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Solution

The fourth proportional to 824,423.60, 1,236,635.40 and 743,067.20 is: 1,114,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,423.60 : 1,236,635.40 = 743,067.20 : x
  2. Step 2: Convert to fraction form
    824,423.60/1,236,635.40 = 743,067.20/x
  3. Step 3: Cross multiply
    824,423.60x = 1,236,635.40 × 743,067.20
  4. Step 4: Simplify right side
    824,423.60x = 918,903,204,098.88
  5. Step 5: Solve for x
    x = 918,903,204,098.88/824,423.60
  6. Step 6: Final answer
    x = 1,114,600.80

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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.