Home / 1,206.50-1,663.44-1,029.11

Finding the Fourth Proportional to 1,206.50, 1,663.44 and 1,029.11

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Solution

The fourth proportional to 1,206.50, 1,663.44 and 1,029.11 is: 1,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.50 : 1,663.44 = 1,029.11 : x
  2. Step 2: Convert to fraction form
    1,206.50/1,663.44 = 1,029.11/x
  3. Step 3: Cross multiply
    1,206.50x = 1,663.44 × 1,029.11
  4. Step 4: Simplify right side
    1,206.50x = 1,711,850.56
  5. Step 5: Solve for x
    x = 1,711,850.56/1,206.50
  6. Step 6: Final answer
    x = 1,418.86

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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.