Home / 821,270.80-1,231,906.20-732,797.20

Finding the Fourth Proportional to 821,270.80, 1,231,906.20 and 732,797.20

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Solution

The fourth proportional to 821,270.80, 1,231,906.20 and 732,797.20 is: 1,099,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,270.80 : 1,231,906.20 = 732,797.20 : x
  2. Step 2: Convert to fraction form
    821,270.80/1,231,906.20 = 732,797.20/x
  3. Step 3: Cross multiply
    821,270.80x = 1,231,906.20 × 732,797.20
  4. Step 4: Simplify right side
    821,270.80x = 902,737,414,022.64
  5. Step 5: Solve for x
    x = 902,737,414,022.64/821,270.80
  6. Step 6: Final answer
    x = 1,099,195.80

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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.