Home / 672,645.29-1,008,671.09-192,764.18

Finding the Fourth Proportional to 672,645.29, 1,008,671.09 and 192,764.18

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Solution

The fourth proportional to 672,645.29, 1,008,671.09 and 192,764.18 is: 289,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,645.29 : 1,008,671.09 = 192,764.18 : x
  2. Step 2: Convert to fraction form
    672,645.29/1,008,671.09 = 192,764.18/x
  3. Step 3: Cross multiply
    672,645.29x = 1,008,671.09 × 192,764.18
  4. Step 4: Simplify right side
    672,645.29x = 194,435,658,365.96
  5. Step 5: Solve for x
    x = 194,435,658,365.96/672,645.29
  6. Step 6: Final answer
    x = 289,061.21

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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.