Home / 667,711.54-1,001,603.79-169,079.86

Finding the Fourth Proportional to 667,711.54, 1,001,603.79 and 169,079.86

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Solution

The fourth proportional to 667,711.54, 1,001,603.79 and 169,079.86 is: 253,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,711.54 : 1,001,603.79 = 169,079.86 : x
  2. Step 2: Convert to fraction form
    667,711.54/1,001,603.79 = 169,079.86/x
  3. Step 3: Cross multiply
    667,711.54x = 1,001,603.79 × 169,079.86
  4. Step 4: Simplify right side
    667,711.54x = 169,351,028,588.67
  5. Step 5: Solve for x
    x = 169,351,028,588.67/667,711.54
  6. Step 6: Final answer
    x = 253,629.03

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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.