Home / 1,271,279.52-1,753,937.46-719,919.84

Finding the Fourth Proportional to 1,271,279.52, 1,753,937.46 and 719,919.84

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Solution

The fourth proportional to 1,271,279.52, 1,753,937.46 and 719,919.84 is: 993,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,279.52 : 1,753,937.46 = 719,919.84 : x
  2. Step 2: Convert to fraction form
    1,271,279.52/1,753,937.46 = 719,919.84/x
  3. Step 3: Cross multiply
    1,271,279.52x = 1,753,937.46 × 719,919.84
  4. Step 4: Simplify right side
    1,271,279.52x = 1,262,694,375,573.21
  5. Step 5: Solve for x
    x = 1,262,694,375,573.21/1,271,279.52
  6. Step 6: Final answer
    x = 993,246.85

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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.