Home / 1,177.27-1,624.95-734.91

Finding the Fourth Proportional to 1,177.27, 1,624.95 and 734.91

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Solution

The fourth proportional to 1,177.27, 1,624.95 and 734.91 is: 1,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.27 : 1,624.95 = 734.91 : x
  2. Step 2: Convert to fraction form
    1,177.27/1,624.95 = 734.91/x
  3. Step 3: Cross multiply
    1,177.27x = 1,624.95 × 734.91
  4. Step 4: Simplify right side
    1,177.27x = 1,194,183.88
  5. Step 5: Solve for x
    x = 1,194,183.88/1,177.27
  6. Step 6: Final answer
    x = 1,014.37

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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.