Home / 1,338,228.64-1,846,757.17-726,381.37

Finding the Fourth Proportional to 1,338,228.64, 1,846,757.17 and 726,381.37

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Solution

The fourth proportional to 1,338,228.64, 1,846,757.17 and 726,381.37 is: 1,002,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,228.64 : 1,846,757.17 = 726,381.37 : x
  2. Step 2: Convert to fraction form
    1,338,228.64/1,846,757.17 = 726,381.37/x
  3. Step 3: Cross multiply
    1,338,228.64x = 1,846,757.17 × 726,381.37
  4. Step 4: Simplify right side
    1,338,228.64x = 1,341,450,006,418.35
  5. Step 5: Solve for x
    x = 1,341,450,006,418.35/1,338,228.64
  6. Step 6: Final answer
    x = 1,002,407.19

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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.