Home / 1,008,114.60-1,512,171.90-298,079.40

Finding the Fourth Proportional to 1,008,114.60, 1,512,171.90 and 298,079.40

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Solution

The fourth proportional to 1,008,114.60, 1,512,171.90 and 298,079.40 is: 447,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,114.60 : 1,512,171.90 = 298,079.40 : x
  2. Step 2: Convert to fraction form
    1,008,114.60/1,512,171.90 = 298,079.40/x
  3. Step 3: Cross multiply
    1,008,114.60x = 1,512,171.90 × 298,079.40
  4. Step 4: Simplify right side
    1,008,114.60x = 450,747,292,648.86
  5. Step 5: Solve for x
    x = 450,747,292,648.86/1,008,114.60
  6. Step 6: Final answer
    x = 447,119.10

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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.