Home / 1,793,627.31-2,690,572.20-728,689.53

Finding the Fourth Proportional to 1,793,627.31, 2,690,572.20 and 728,689.53

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Solution

The fourth proportional to 1,793,627.31, 2,690,572.20 and 728,689.53 is: 1,093,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,627.31 : 2,690,572.20 = 728,689.53 : x
  2. Step 2: Convert to fraction form
    1,793,627.31/2,690,572.20 = 728,689.53/x
  3. Step 3: Cross multiply
    1,793,627.31x = 2,690,572.20 × 728,689.53
  4. Step 4: Simplify right side
    1,793,627.31x = 1,960,591,791,849.07
  5. Step 5: Solve for x
    x = 1,960,591,791,849.07/1,793,627.31
  6. Step 6: Final answer
    x = 1,093,087.61

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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.