Home / 1,008,087.85-1,512,131.78-298,052.65

Finding the Fourth Proportional to 1,008,087.85, 1,512,131.78 and 298,052.65

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Solution

The fourth proportional to 1,008,087.85, 1,512,131.78 and 298,052.65 is: 447,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,087.85 : 1,512,131.78 = 298,052.65 : x
  2. Step 2: Convert to fraction form
    1,008,087.85/1,512,131.78 = 298,052.65/x
  3. Step 3: Cross multiply
    1,008,087.85x = 1,512,131.78 × 298,052.65
  4. Step 4: Simplify right side
    1,008,087.85x = 450,694,884,178.22
  5. Step 5: Solve for x
    x = 450,694,884,178.22/1,008,087.85
  6. Step 6: Final answer
    x = 447,078.98

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Double scale
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Similar ratio
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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.