Home / 1,307,456.40-1,804,336.09-726,691.11

Finding the Fourth Proportional to 1,307,456.40, 1,804,336.09 and 726,691.11

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Solution

The fourth proportional to 1,307,456.40, 1,804,336.09 and 726,691.11 is: 1,002,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,456.40 : 1,804,336.09 = 726,691.11 : x
  2. Step 2: Convert to fraction form
    1,307,456.40/1,804,336.09 = 726,691.11/x
  3. Step 3: Cross multiply
    1,307,456.40x = 1,804,336.09 × 726,691.11
  4. Step 4: Simplify right side
    1,307,456.40x = 1,311,194,994,238.43
  5. Step 5: Solve for x
    x = 1,311,194,994,238.43/1,307,456.40
  6. Step 6: Final answer
    x = 1,002,859.44

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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.