Home / 1,240.94-1,862.06-1,012.46

Finding the Fourth Proportional to 1,240.94, 1,862.06 and 1,012.46

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Solution

The fourth proportional to 1,240.94, 1,862.06 and 1,012.46 is: 1,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.94 : 1,862.06 = 1,012.46 : x
  2. Step 2: Convert to fraction form
    1,240.94/1,862.06 = 1,012.46/x
  3. Step 3: Cross multiply
    1,240.94x = 1,862.06 × 1,012.46
  4. Step 4: Simplify right side
    1,240.94x = 1,885,246.90
  5. Step 5: Solve for x
    x = 1,885,246.90/1,240.94
  6. Step 6: Final answer
    x = 1,519.21

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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.