Home / 1,338,417.82-1,847,003.66-726,557.45

Finding the Fourth Proportional to 1,338,417.82, 1,847,003.66 and 726,557.45

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Solution

The fourth proportional to 1,338,417.82, 1,847,003.66 and 726,557.45 is: 1,002,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,417.82 : 1,847,003.66 = 726,557.45 : x
  2. Step 2: Convert to fraction form
    1,338,417.82/1,847,003.66 = 726,557.45/x
  3. Step 3: Cross multiply
    1,338,417.82x = 1,847,003.66 × 726,557.45
  4. Step 4: Simplify right side
    1,338,417.82x = 1,341,954,269,350.27
  5. Step 5: Solve for x
    x = 1,341,954,269,350.27/1,338,417.82
  6. Step 6: Final answer
    x = 1,002,642.26

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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.