Home / 1,126.02-1,553.94-660.27

Finding the Fourth Proportional to 1,126.02, 1,553.94 and 660.27

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Solution

The fourth proportional to 1,126.02, 1,553.94 and 660.27 is: 911.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.02 : 1,553.94 = 660.27 : x
  2. Step 2: Convert to fraction form
    1,126.02/1,553.94 = 660.27/x
  3. Step 3: Cross multiply
    1,126.02x = 1,553.94 × 660.27
  4. Step 4: Simplify right side
    1,126.02x = 1,026,019.96
  5. Step 5: Solve for x
    x = 1,026,019.96/1,126.02
  6. Step 6: Final answer
    x = 911.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.