Home / 1,512,015.40-2,268,023.10-874,286.20

Finding the Fourth Proportional to 1,512,015.40, 2,268,023.10 and 874,286.20

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Solution

The fourth proportional to 1,512,015.40, 2,268,023.10 and 874,286.20 is: 1,311,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,015.40 : 2,268,023.10 = 874,286.20 : x
  2. Step 2: Convert to fraction form
    1,512,015.40/2,268,023.10 = 874,286.20/x
  3. Step 3: Cross multiply
    1,512,015.40x = 2,268,023.10 × 874,286.20
  4. Step 4: Simplify right side
    1,512,015.40x = 1,982,901,297,611.22
  5. Step 5: Solve for x
    x = 1,982,901,297,611.22/1,512,015.40
  6. Step 6: Final answer
    x = 1,311,429.30

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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.