Home / 725,294.10-1,087,941.15-720,045.30

Finding the Fourth Proportional to 725,294.10, 1,087,941.15 and 720,045.30

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Solution

The fourth proportional to 725,294.10, 1,087,941.15 and 720,045.30 is: 1,080,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,294.10 : 1,087,941.15 = 720,045.30 : x
  2. Step 2: Convert to fraction form
    725,294.10/1,087,941.15 = 720,045.30/x
  3. Step 3: Cross multiply
    725,294.10x = 1,087,941.15 × 720,045.30
  4. Step 4: Simplify right side
    725,294.10x = 783,366,911,734.10
  5. Step 5: Solve for x
    x = 783,366,911,734.10/725,294.10
  6. Step 6: Final answer
    x = 1,080,067.95

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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.