Home / 1,324.44-1,983.51-706.61

Finding the Fourth Proportional to 1,324.44, 1,983.51 and 706.61

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Solution

The fourth proportional to 1,324.44, 1,983.51 and 706.61 is: 1,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.44 : 1,983.51 = 706.61 : x
  2. Step 2: Convert to fraction form
    1,324.44/1,983.51 = 706.61/x
  3. Step 3: Cross multiply
    1,324.44x = 1,983.51 × 706.61
  4. Step 4: Simplify right side
    1,324.44x = 1,401,558.08
  5. Step 5: Solve for x
    x = 1,401,558.08/1,324.44
  6. Step 6: Final answer
    x = 1,058.23

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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.