Home / 667,991.62-1,001,989.46-162,552.68

Finding the Fourth Proportional to 667,991.62, 1,001,989.46 and 162,552.68

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Solution

The fourth proportional to 667,991.62, 1,001,989.46 and 162,552.68 is: 243,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,991.62 : 1,001,989.46 = 162,552.68 : x
  2. Step 2: Convert to fraction form
    667,991.62/1,001,989.46 = 162,552.68/x
  3. Step 3: Cross multiply
    667,991.62x = 1,001,989.46 × 162,552.68
  4. Step 4: Simplify right side
    667,991.62x = 162,876,072,054.75
  5. Step 5: Solve for x
    x = 162,876,072,054.75/667,991.62
  6. Step 6: Final answer
    x = 243,829.51

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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.