Home / 1,436,049.96-1,981,723.20-782,681.84

Finding the Fourth Proportional to 1,436,049.96, 1,981,723.20 and 782,681.84

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Solution

The fourth proportional to 1,436,049.96, 1,981,723.20 and 782,681.84 is: 1,080,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,049.96 : 1,981,723.20 = 782,681.84 : x
  2. Step 2: Convert to fraction form
    1,436,049.96/1,981,723.20 = 782,681.84/x
  3. Step 3: Cross multiply
    1,436,049.96x = 1,981,723.20 × 782,681.84
  4. Step 4: Simplify right side
    1,436,049.96x = 1,551,058,760,546.69
  5. Step 5: Solve for x
    x = 1,551,058,760,546.69/1,436,049.96
  6. Step 6: Final answer
    x = 1,080,086.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.