Home / 1,273,049.29-1,756,854.21-729,290.17

Finding the Fourth Proportional to 1,273,049.29, 1,756,854.21 and 729,290.17

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Solution

The fourth proportional to 1,273,049.29, 1,756,854.21 and 729,290.17 is: 1,006,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,049.29 : 1,756,854.21 = 729,290.17 : x
  2. Step 2: Convert to fraction form
    1,273,049.29/1,756,854.21 = 729,290.17/x
  3. Step 3: Cross multiply
    1,273,049.29x = 1,756,854.21 × 729,290.17
  4. Step 4: Simplify right side
    1,273,049.29x = 1,281,256,505,476.12
  5. Step 5: Solve for x
    x = 1,281,256,505,476.12/1,273,049.29
  6. Step 6: Final answer
    x = 1,006,446.90

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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.