Home / 1,190.93-1,786.17-325.23

Finding the Fourth Proportional to 1,190.93, 1,786.17 and 325.23

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Solution

The fourth proportional to 1,190.93, 1,786.17 and 325.23 is: 487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.93 : 1,786.17 = 325.23 : x
  2. Step 2: Convert to fraction form
    1,190.93/1,786.17 = 325.23/x
  3. Step 3: Cross multiply
    1,190.93x = 1,786.17 × 325.23
  4. Step 4: Simplify right side
    1,190.93x = 580,916.07
  5. Step 5: Solve for x
    x = 580,916.07/1,190.93
  6. Step 6: Final answer
    x = 487.79

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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.