Home / 1,344,046.20-2,016,069.30-1,211,335.80

Finding the Fourth Proportional to 1,344,046.20, 2,016,069.30 and 1,211,335.80

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Solution

The fourth proportional to 1,344,046.20, 2,016,069.30 and 1,211,335.80 is: 1,817,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,046.20 : 2,016,069.30 = 1,211,335.80 : x
  2. Step 2: Convert to fraction form
    1,344,046.20/2,016,069.30 = 1,211,335.80/x
  3. Step 3: Cross multiply
    1,344,046.20x = 2,016,069.30 × 1,211,335.80
  4. Step 4: Simplify right side
    1,344,046.20x = 2,442,136,918,370.94
  5. Step 5: Solve for x
    x = 2,442,136,918,370.94/1,344,046.20
  6. Step 6: Final answer
    x = 1,817,003.70

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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.