Home / 1,253,089.67-1,729,265.02-680,129.96

Finding the Fourth Proportional to 1,253,089.67, 1,729,265.02 and 680,129.96

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Solution

The fourth proportional to 1,253,089.67, 1,729,265.02 and 680,129.96 is: 938,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,089.67 : 1,729,265.02 = 680,129.96 : x
  2. Step 2: Convert to fraction form
    1,253,089.67/1,729,265.02 = 680,129.96/x
  3. Step 3: Cross multiply
    1,253,089.67x = 1,729,265.02 × 680,129.96
  4. Step 4: Simplify right side
    1,253,089.67x = 1,176,124,938,535.35
  5. Step 5: Solve for x
    x = 1,176,124,938,535.35/1,253,089.67
  6. Step 6: Final answer
    x = 938,580.03

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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.