Home / 1,272,693.11-1,756,211.94-749,320.52

Finding the Fourth Proportional to 1,272,693.11, 1,756,211.94 and 749,320.52

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Solution

The fourth proportional to 1,272,693.11, 1,756,211.94 and 749,320.52 is: 1,034,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,693.11 : 1,756,211.94 = 749,320.52 : x
  2. Step 2: Convert to fraction form
    1,272,693.11/1,756,211.94 = 749,320.52/x
  3. Step 3: Cross multiply
    1,272,693.11x = 1,756,211.94 × 749,320.52
  4. Step 4: Simplify right side
    1,272,693.11x = 1,315,965,635,329.95
  5. Step 5: Solve for x
    x = 1,315,965,635,329.95/1,272,693.11
  6. Step 6: Final answer
    x = 1,034,000.76

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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.