Home / 1,275,429.84-1,760,057.16-694,639.80

Finding the Fourth Proportional to 1,275,429.84, 1,760,057.16 and 694,639.80

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Solution

The fourth proportional to 1,275,429.84, 1,760,057.16 and 694,639.80 is: 958,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,429.84 : 1,760,057.16 = 694,639.80 : x
  2. Step 2: Convert to fraction form
    1,275,429.84/1,760,057.16 = 694,639.80/x
  3. Step 3: Cross multiply
    1,275,429.84x = 1,760,057.16 × 694,639.80
  4. Step 4: Simplify right side
    1,275,429.84x = 1,222,605,753,610.97
  5. Step 5: Solve for x
    x = 1,222,605,753,610.97/1,275,429.84
  6. Step 6: Final answer
    x = 958,583.31

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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.