Home / 1,338,514.39-1,847,171.32-726,666.66

Finding the Fourth Proportional to 1,338,514.39, 1,847,171.32 and 726,666.66

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Solution

The fourth proportional to 1,338,514.39, 1,847,171.32 and 726,666.66 is: 1,002,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,514.39 : 1,847,171.32 = 726,666.66 : x
  2. Step 2: Convert to fraction form
    1,338,514.39/1,847,171.32 = 726,666.66/x
  3. Step 3: Cross multiply
    1,338,514.39x = 1,847,171.32 × 726,666.66
  4. Step 4: Simplify right side
    1,338,514.39x = 1,342,277,813,552.19
  5. Step 5: Solve for x
    x = 1,342,277,813,552.19/1,338,514.39
  6. Step 6: Final answer
    x = 1,002,811.64

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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.