Home / 1,296.97-1,942.87-602.70

Finding the Fourth Proportional to 1,296.97, 1,942.87 and 602.70

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Solution

The fourth proportional to 1,296.97, 1,942.87 and 602.70 is: 902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.97 : 1,942.87 = 602.70 : x
  2. Step 2: Convert to fraction form
    1,296.97/1,942.87 = 602.70/x
  3. Step 3: Cross multiply
    1,296.97x = 1,942.87 × 602.70
  4. Step 4: Simplify right side
    1,296.97x = 1,170,967.75
  5. Step 5: Solve for x
    x = 1,170,967.75/1,296.97
  6. Step 6: Final answer
    x = 902.85

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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.