Home / 1,253,660.42-1,730,002.87-680,687.48

Finding the Fourth Proportional to 1,253,660.42, 1,730,002.87 and 680,687.48

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Solution

The fourth proportional to 1,253,660.42, 1,730,002.87 and 680,687.48 is: 939,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,660.42 : 1,730,002.87 = 680,687.48 : x
  2. Step 2: Convert to fraction form
    1,253,660.42/1,730,002.87 = 680,687.48/x
  3. Step 3: Cross multiply
    1,253,660.42x = 1,730,002.87 × 680,687.48
  4. Step 4: Simplify right side
    1,253,660.42x = 1,177,591,292,271.35
  5. Step 5: Solve for x
    x = 1,177,591,292,271.35/1,253,660.42
  6. Step 6: Final answer
    x = 939,322.38

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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.