Home / 1,329,991.28-1,835,385-726,379.28

Finding the Fourth Proportional to 1,329,991.28, 1,835,385 and 726,379.28

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Solution

The fourth proportional to 1,329,991.28, 1,835,385 and 726,379.28 is: 1,002,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,991.28 : 1,835,385 = 726,379.28 : x
  2. Step 2: Convert to fraction form
    1,329,991.28/1,835,385 = 726,379.28/x
  3. Step 3: Cross multiply
    1,329,991.28x = 1,835,385 × 726,379.28
  4. Step 4: Simplify right side
    1,329,991.28x = 1,333,185,634,822.80
  5. Step 5: Solve for x
    x = 1,333,185,634,822.80/1,329,991.28
  6. Step 6: Final answer
    x = 1,002,401.79

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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.