Home / 1,040.97-1,554.70-943.27

Finding the Fourth Proportional to 1,040.97, 1,554.70 and 943.27

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Solution

The fourth proportional to 1,040.97, 1,554.70 and 943.27 is: 1,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.97 : 1,554.70 = 943.27 : x
  2. Step 2: Convert to fraction form
    1,040.97/1,554.70 = 943.27/x
  3. Step 3: Cross multiply
    1,040.97x = 1,554.70 × 943.27
  4. Step 4: Simplify right side
    1,040.97x = 1,466,497.15
  5. Step 5: Solve for x
    x = 1,466,497.15/1,040.97
  6. Step 6: Final answer
    x = 1,408.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.