Home / 667,454.94-1,001,181.78-268,095.78

Finding the Fourth Proportional to 667,454.94, 1,001,181.78 and 268,095.78

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Solution

The fourth proportional to 667,454.94, 1,001,181.78 and 268,095.78 is: 402,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,454.94 : 1,001,181.78 = 268,095.78 : x
  2. Step 2: Convert to fraction form
    667,454.94/1,001,181.78 = 268,095.78/x
  3. Step 3: Cross multiply
    667,454.94x = 1,001,181.78 × 268,095.78
  4. Step 4: Simplify right side
    667,454.94x = 268,412,610,230.89
  5. Step 5: Solve for x
    x = 268,412,610,230.89/667,454.94
  6. Step 6: Final answer
    x = 402,143.42

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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.