Home / 1,229,364.76-1,843,648.06-408,482.92

Finding the Fourth Proportional to 1,229,364.76, 1,843,648.06 and 408,482.92

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Solution

The fourth proportional to 1,229,364.76, 1,843,648.06 and 408,482.92 is: 612,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,364.76 : 1,843,648.06 = 408,482.92 : x
  2. Step 2: Convert to fraction form
    1,229,364.76/1,843,648.06 = 408,482.92/x
  3. Step 3: Cross multiply
    1,229,364.76x = 1,843,648.06 × 408,482.92
  4. Step 4: Simplify right side
    1,229,364.76x = 753,098,743,001.14
  5. Step 5: Solve for x
    x = 753,098,743,001.14/1,229,364.76
  6. Step 6: Final answer
    x = 612,591.78

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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.