Home / 1,221,351.52-1,832,042.87-322,785.49

Finding the Fourth Proportional to 1,221,351.52, 1,832,042.87 and 322,785.49

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Solution

The fourth proportional to 1,221,351.52, 1,832,042.87 and 322,785.49 is: 484,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,351.52 : 1,832,042.87 = 322,785.49 : x
  2. Step 2: Convert to fraction form
    1,221,351.52/1,832,042.87 = 322,785.49/x
  3. Step 3: Cross multiply
    1,221,351.52x = 1,832,042.87 × 322,785.49
  4. Step 4: Simplify right side
    1,221,351.52x = 591,356,859,267.10
  5. Step 5: Solve for x
    x = 591,356,859,267.10/1,221,351.52
  6. Step 6: Final answer
    x = 484,182.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.