Home / 1,338,623.42-1,847,290.10-726,764.04

Finding the Fourth Proportional to 1,338,623.42, 1,847,290.10 and 726,764.04

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Solution

The fourth proportional to 1,338,623.42, 1,847,290.10 and 726,764.04 is: 1,002,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,623.42 : 1,847,290.10 = 726,764.04 : x
  2. Step 2: Convert to fraction form
    1,338,623.42/1,847,290.10 = 726,764.04/x
  3. Step 3: Cross multiply
    1,338,623.42x = 1,847,290.10 × 726,764.04
  4. Step 4: Simplify right side
    1,338,623.42x = 1,342,544,012,494.18
  5. Step 5: Solve for x
    x = 1,342,544,012,494.18/1,338,623.42
  6. Step 6: Final answer
    x = 1,002,928.83

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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.