Home / 1,338,121.08-1,846,620.72-726,278.94

Finding the Fourth Proportional to 1,338,121.08, 1,846,620.72 and 726,278.94

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Solution

The fourth proportional to 1,338,121.08, 1,846,620.72 and 726,278.94 is: 1,002,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,121.08 : 1,846,620.72 = 726,278.94 : x
  2. Step 2: Convert to fraction form
    1,338,121.08/1,846,620.72 = 726,278.94/x
  3. Step 3: Cross multiply
    1,338,121.08x = 1,846,620.72 × 726,278.94
  4. Step 4: Simplify right side
    1,338,121.08x = 1,341,161,739,103.64
  5. Step 5: Solve for x
    x = 1,341,161,739,103.64/1,338,121.08
  6. Step 6: Final answer
    x = 1,002,272.33

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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.