Home / 1,253,660.55-1,730,003.04-680,687.61

Finding the Fourth Proportional to 1,253,660.55, 1,730,003.04 and 680,687.61

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Solution

The fourth proportional to 1,253,660.55, 1,730,003.04 and 680,687.61 is: 939,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,660.55 : 1,730,003.04 = 680,687.61 : x
  2. Step 2: Convert to fraction form
    1,253,660.55/1,730,003.04 = 680,687.61/x
  3. Step 3: Cross multiply
    1,253,660.55x = 1,730,003.04 × 680,687.61
  4. Step 4: Simplify right side
    1,253,660.55x = 1,177,591,628,102.82
  5. Step 5: Solve for x
    x = 1,177,591,628,102.82/1,253,660.55
  6. Step 6: Final answer
    x = 939,322.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.