Home / 1,221,359.15-1,832,054.30-322,793.12

Finding the Fourth Proportional to 1,221,359.15, 1,832,054.30 and 322,793.12

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Solution

The fourth proportional to 1,221,359.15, 1,832,054.30 and 322,793.12 is: 484,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,359.15 : 1,832,054.30 = 322,793.12 : x
  2. Step 2: Convert to fraction form
    1,221,359.15/1,832,054.30 = 322,793.12/x
  3. Step 3: Cross multiply
    1,221,359.15x = 1,832,054.30 × 322,793.12
  4. Step 4: Simplify right side
    1,221,359.15x = 591,374,512,732.18
  5. Step 5: Solve for x
    x = 591,374,512,732.18/1,221,359.15
  6. Step 6: Final answer
    x = 484,193.79

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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.