Home / 1,109,079.04-1,663,618.72-267,630.80

Finding the Fourth Proportional to 1,109,079.04, 1,663,618.72 and 267,630.80

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Solution

The fourth proportional to 1,109,079.04, 1,663,618.72 and 267,630.80 is: 401,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,079.04 : 1,663,618.72 = 267,630.80 : x
  2. Step 2: Convert to fraction form
    1,109,079.04/1,663,618.72 = 267,630.80/x
  3. Step 3: Cross multiply
    1,109,079.04x = 1,663,618.72 × 267,630.80
  4. Step 4: Simplify right side
    1,109,079.04x = 445,235,608,928.58
  5. Step 5: Solve for x
    x = 445,235,608,928.58/1,109,079.04
  6. Step 6: Final answer
    x = 401,446.24

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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.