Home / 1,329,993.28-1,835,387.76-726,381.28

Finding the Fourth Proportional to 1,329,993.28, 1,835,387.76 and 726,381.28

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Solution

The fourth proportional to 1,329,993.28, 1,835,387.76 and 726,381.28 is: 1,002,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,993.28 : 1,835,387.76 = 726,381.28 : x
  2. Step 2: Convert to fraction form
    1,329,993.28/1,835,387.76 = 726,381.28/x
  3. Step 3: Cross multiply
    1,329,993.28x = 1,835,387.76 × 726,381.28
  4. Step 4: Simplify right side
    1,329,993.28x = 1,333,191,310,405.13
  5. Step 5: Solve for x
    x = 1,333,191,310,405.13/1,329,993.28
  6. Step 6: Final answer
    x = 1,002,404.55

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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.