Home / 1,344,187.20-2,016,280.80-346,915.20

Finding the Fourth Proportional to 1,344,187.20, 2,016,280.80 and 346,915.20

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Solution

The fourth proportional to 1,344,187.20, 2,016,280.80 and 346,915.20 is: 520,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,187.20 : 2,016,280.80 = 346,915.20 : x
  2. Step 2: Convert to fraction form
    1,344,187.20/2,016,280.80 = 346,915.20/x
  3. Step 3: Cross multiply
    1,344,187.20x = 2,016,280.80 × 346,915.20
  4. Step 4: Simplify right side
    1,344,187.20x = 699,478,456,988.16
  5. Step 5: Solve for x
    x = 699,478,456,988.16/1,344,187.20
  6. Step 6: Final answer
    x = 520,372.80

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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.