Home / 1,194.27-1,788.36-707.67

Finding the Fourth Proportional to 1,194.27, 1,788.36 and 707.67

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Solution

The fourth proportional to 1,194.27, 1,788.36 and 707.67 is: 1,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.27 : 1,788.36 = 707.67 : x
  2. Step 2: Convert to fraction form
    1,194.27/1,788.36 = 707.67/x
  3. Step 3: Cross multiply
    1,194.27x = 1,788.36 × 707.67
  4. Step 4: Simplify right side
    1,194.27x = 1,265,568.72
  5. Step 5: Solve for x
    x = 1,265,568.72/1,194.27
  6. Step 6: Final answer
    x = 1,059.70

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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.