Home / 1,008,189.80-1,512,284.74-298,162.56

Finding the Fourth Proportional to 1,008,189.80, 1,512,284.74 and 298,162.56

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Solution

The fourth proportional to 1,008,189.80, 1,512,284.74 and 298,162.56 is: 447,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,189.80 : 1,512,284.74 = 298,162.56 : x
  2. Step 2: Convert to fraction form
    1,008,189.80/1,512,284.74 = 298,162.56/x
  3. Step 3: Cross multiply
    1,008,189.80x = 1,512,284.74 × 298,162.56
  4. Step 4: Simplify right side
    1,008,189.80x = 450,906,689,527.33
  5. Step 5: Solve for x
    x = 450,906,689,527.33/1,008,189.80
  6. Step 6: Final answer
    x = 447,243.85

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Double scale
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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.