Home / 1,367,872.11-1,887,761.25-756,011.70

Finding the Fourth Proportional to 1,367,872.11, 1,887,761.25 and 756,011.70

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Solution

The fourth proportional to 1,367,872.11, 1,887,761.25 and 756,011.70 is: 1,043,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,872.11 : 1,887,761.25 = 756,011.70 : x
  2. Step 2: Convert to fraction form
    1,367,872.11/1,887,761.25 = 756,011.70/x
  3. Step 3: Cross multiply
    1,367,872.11x = 1,887,761.25 × 756,011.70
  4. Step 4: Simplify right side
    1,367,872.11x = 1,427,169,591,806.63
  5. Step 5: Solve for x
    x = 1,427,169,591,806.63/1,367,872.11
  6. Step 6: Final answer
    x = 1,043,350.17

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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.