Home / 1,034,145.39-1,551,218.54-324,228.78

Finding the Fourth Proportional to 1,034,145.39, 1,551,218.54 and 324,228.78

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Solution

The fourth proportional to 1,034,145.39, 1,551,218.54 and 324,228.78 is: 486,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,145.39 : 1,551,218.54 = 324,228.78 : x
  2. Step 2: Convert to fraction form
    1,034,145.39/1,551,218.54 = 324,228.78/x
  3. Step 3: Cross multiply
    1,034,145.39x = 1,551,218.54 × 324,228.78
  4. Step 4: Simplify right side
    1,034,145.39x = 502,949,693,116.44
  5. Step 5: Solve for x
    x = 502,949,693,116.44/1,034,145.39
  6. Step 6: Final answer
    x = 486,343.31

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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.