Home / 1,236.22-1,704.70-1,059.79

Finding the Fourth Proportional to 1,236.22, 1,704.70 and 1,059.79

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Solution

The fourth proportional to 1,236.22, 1,704.70 and 1,059.79 is: 1,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.22 : 1,704.70 = 1,059.79 : x
  2. Step 2: Convert to fraction form
    1,236.22/1,704.70 = 1,059.79/x
  3. Step 3: Cross multiply
    1,236.22x = 1,704.70 × 1,059.79
  4. Step 4: Simplify right side
    1,236.22x = 1,806,628.27
  5. Step 5: Solve for x
    x = 1,806,628.27/1,236.22
  6. Step 6: Final answer
    x = 1,461.42

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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.