Home / 1,153,540.80-1,729,792.80-443,332.80

Finding the Fourth Proportional to 1,153,540.80, 1,729,792.80 and 443,332.80

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Solution

The fourth proportional to 1,153,540.80, 1,729,792.80 and 443,332.80 is: 664,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,540.80 : 1,729,792.80 = 443,332.80 : x
  2. Step 2: Convert to fraction form
    1,153,540.80/1,729,792.80 = 443,332.80/x
  3. Step 3: Cross multiply
    1,153,540.80x = 1,729,792.80 × 443,332.80
  4. Step 4: Simplify right side
    1,153,540.80x = 766,873,885,443.84
  5. Step 5: Solve for x
    x = 766,873,885,443.84/1,153,540.80
  6. Step 6: Final answer
    x = 664,799.97

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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.