Home / 1,282,839.37-1,770,198.14-766,490.47

Finding the Fourth Proportional to 1,282,839.37, 1,770,198.14 and 766,490.47

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Solution

The fourth proportional to 1,282,839.37, 1,770,198.14 and 766,490.47 is: 1,057,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,839.37 : 1,770,198.14 = 766,490.47 : x
  2. Step 2: Convert to fraction form
    1,282,839.37/1,770,198.14 = 766,490.47/x
  3. Step 3: Cross multiply
    1,282,839.37x = 1,770,198.14 × 766,490.47
  4. Step 4: Simplify right side
    1,282,839.37x = 1,356,840,004,321.73
  5. Step 5: Solve for x
    x = 1,356,840,004,321.73/1,282,839.37
  6. Step 6: Final answer
    x = 1,057,685.04

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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.