Home / 747,793.80-1,121,690.70-673,144.20

Finding the Fourth Proportional to 747,793.80, 1,121,690.70 and 673,144.20

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Solution

The fourth proportional to 747,793.80, 1,121,690.70 and 673,144.20 is: 1,009,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,793.80 : 1,121,690.70 = 673,144.20 : x
  2. Step 2: Convert to fraction form
    747,793.80/1,121,690.70 = 673,144.20/x
  3. Step 3: Cross multiply
    747,793.80x = 1,121,690.70 × 673,144.20
  4. Step 4: Simplify right side
    747,793.80x = 755,059,588,898.94
  5. Step 5: Solve for x
    x = 755,059,588,898.94/747,793.80
  6. Step 6: Final answer
    x = 1,009,716.30

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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.