Home / 1,126,988.44-1,690,581.07-285,540.19

Finding the Fourth Proportional to 1,126,988.44, 1,690,581.07 and 285,540.19

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Solution

The fourth proportional to 1,126,988.44, 1,690,581.07 and 285,540.19 is: 428,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,988.44 : 1,690,581.07 = 285,540.19 : x
  2. Step 2: Convert to fraction form
    1,126,988.44/1,690,581.07 = 285,540.19/x
  3. Step 3: Cross multiply
    1,126,988.44x = 1,690,581.07 × 285,540.19
  4. Step 4: Simplify right side
    1,126,988.44x = 482,728,836,068.68
  5. Step 5: Solve for x
    x = 482,728,836,068.68/1,126,988.44
  6. Step 6: Final answer
    x = 428,335.22

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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.