Home / 667,999.64-1,002,001.48-162,560.68

Finding the Fourth Proportional to 667,999.64, 1,002,001.48 and 162,560.68

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Solution

The fourth proportional to 667,999.64, 1,002,001.48 and 162,560.68 is: 243,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,999.64 : 1,002,001.48 = 162,560.68 : x
  2. Step 2: Convert to fraction form
    667,999.64/1,002,001.48 = 162,560.68/x
  3. Step 3: Cross multiply
    667,999.64x = 1,002,001.48 × 162,560.68
  4. Step 4: Simplify right side
    667,999.64x = 162,886,041,949.81
  5. Step 5: Solve for x
    x = 162,886,041,949.81/667,999.64
  6. Step 6: Final answer
    x = 243,841.51

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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.