Home / 1,221,353.88-1,832,046.41-322,787.85

Finding the Fourth Proportional to 1,221,353.88, 1,832,046.41 and 322,787.85

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Solution

The fourth proportional to 1,221,353.88, 1,832,046.41 and 322,787.85 is: 484,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,353.88 : 1,832,046.41 = 322,787.85 : x
  2. Step 2: Convert to fraction form
    1,221,353.88/1,832,046.41 = 322,787.85/x
  3. Step 3: Cross multiply
    1,221,353.88x = 1,832,046.41 × 322,787.85
  4. Step 4: Simplify right side
    1,221,353.88x = 591,362,316,481.55
  5. Step 5: Solve for x
    x = 591,362,316,481.55/1,221,353.88
  6. Step 6: Final answer
    x = 484,185.89

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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.