Home / 1,253,484.65-1,729,811.77-680,512.52

Finding the Fourth Proportional to 1,253,484.65, 1,729,811.77 and 680,512.52

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Solution

The fourth proportional to 1,253,484.65, 1,729,811.77 and 680,512.52 is: 939,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,484.65 : 1,729,811.77 = 680,512.52 : x
  2. Step 2: Convert to fraction form
    1,253,484.65/1,729,811.77 = 680,512.52/x
  3. Step 3: Cross multiply
    1,253,484.65x = 1,729,811.77 × 680,512.52
  4. Step 4: Simplify right side
    1,253,484.65x = 1,177,158,569,351.61
  5. Step 5: Solve for x
    x = 1,177,158,569,351.61/1,253,484.65
  6. Step 6: Final answer
    x = 939,108.88

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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.