Home / 1,420,839.76-2,129,422.54-1,063,046.56

Finding the Fourth Proportional to 1,420,839.76, 2,129,422.54 and 1,063,046.56

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Solution

The fourth proportional to 1,420,839.76, 2,129,422.54 and 1,063,046.56 is: 1,593,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,839.76 : 2,129,422.54 = 1,063,046.56 : x
  2. Step 2: Convert to fraction form
    1,420,839.76/2,129,422.54 = 1,063,046.56/x
  3. Step 3: Cross multiply
    1,420,839.76x = 2,129,422.54 × 1,063,046.56
  4. Step 4: Simplify right side
    1,420,839.76x = 2,263,675,305,933.46
  5. Step 5: Solve for x
    x = 2,263,675,305,933.46/1,420,839.76
  6. Step 6: Final answer
    x = 1,593,195.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.