Home / 1,338,188.13-1,846,701.49-726,341.03

Finding the Fourth Proportional to 1,338,188.13, 1,846,701.49 and 726,341.03

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Solution

The fourth proportional to 1,338,188.13, 1,846,701.49 and 726,341.03 is: 1,002,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,188.13 : 1,846,701.49 = 726,341.03 : x
  2. Step 2: Convert to fraction form
    1,338,188.13/1,846,701.49 = 726,341.03/x
  3. Step 3: Cross multiply
    1,338,188.13x = 1,846,701.49 × 726,341.03
  4. Step 4: Simplify right side
    1,338,188.13x = 1,341,335,054,100.68
  5. Step 5: Solve for x
    x = 1,341,335,054,100.68/1,338,188.13
  6. Step 6: Final answer
    x = 1,002,351.63

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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.