Home / 1,008,169.92-1,512,254.88-298,142.64

Finding the Fourth Proportional to 1,008,169.92, 1,512,254.88 and 298,142.64

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Solution

The fourth proportional to 1,008,169.92, 1,512,254.88 and 298,142.64 is: 447,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,169.92 : 1,512,254.88 = 298,142.64 : x
  2. Step 2: Convert to fraction form
    1,008,169.92/1,512,254.88 = 298,142.64/x
  3. Step 3: Cross multiply
    1,008,169.92x = 1,512,254.88 × 298,142.64
  4. Step 4: Simplify right side
    1,008,169.92x = 450,867,662,276.08
  5. Step 5: Solve for x
    x = 450,867,662,276.08/1,008,169.92
  6. Step 6: Final answer
    x = 447,213.96

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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.