Home / 1,344,127.20-2,016,190.80-346,855.20

Finding the Fourth Proportional to 1,344,127.20, 2,016,190.80 and 346,855.20

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Solution

The fourth proportional to 1,344,127.20, 2,016,190.80 and 346,855.20 is: 520,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,127.20 : 2,016,190.80 = 346,855.20 : x
  2. Step 2: Convert to fraction form
    1,344,127.20/2,016,190.80 = 346,855.20/x
  3. Step 3: Cross multiply
    1,344,127.20x = 2,016,190.80 × 346,855.20
  4. Step 4: Simplify right side
    1,344,127.20x = 699,326,263,172.16
  5. Step 5: Solve for x
    x = 699,326,263,172.16/1,344,127.20
  6. Step 6: Final answer
    x = 520,282.80

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Half scale
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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.