Home / 781,441.65-1,172,186.37-269,101.26

Finding the Fourth Proportional to 781,441.65, 1,172,186.37 and 269,101.26

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Solution

The fourth proportional to 781,441.65, 1,172,186.37 and 269,101.26 is: 403,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,441.65 : 1,172,186.37 = 269,101.26 : x
  2. Step 2: Convert to fraction form
    781,441.65/1,172,186.37 = 269,101.26/x
  3. Step 3: Cross multiply
    781,441.65x = 1,172,186.37 × 269,101.26
  4. Step 4: Simplify right side
    781,441.65x = 315,436,829,121.83
  5. Step 5: Solve for x
    x = 315,436,829,121.83/781,441.65
  6. Step 6: Final answer
    x = 403,660.12

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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.