Home / 1,344,115.20-2,016,172.80-346,843.20

Finding the Fourth Proportional to 1,344,115.20, 2,016,172.80 and 346,843.20

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Solution

The fourth proportional to 1,344,115.20, 2,016,172.80 and 346,843.20 is: 520,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,115.20 : 2,016,172.80 = 346,843.20 : x
  2. Step 2: Convert to fraction form
    1,344,115.20/2,016,172.80 = 346,843.20/x
  3. Step 3: Cross multiply
    1,344,115.20x = 2,016,172.80 × 346,843.20
  4. Step 4: Simplify right side
    1,344,115.20x = 699,295,825,704.96
  5. Step 5: Solve for x
    x = 699,295,825,704.96/1,344,115.20
  6. Step 6: Final answer
    x = 520,264.80

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Double scale
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Similar ratio
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1.5x scale

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.