Home / 1,299,057.74-1,792,651.56-726,107.48

Finding the Fourth Proportional to 1,299,057.74, 1,792,651.56 and 726,107.48

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Solution

The fourth proportional to 1,299,057.74, 1,792,651.56 and 726,107.48 is: 1,002,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,057.74 : 1,792,651.56 = 726,107.48 : x
  2. Step 2: Convert to fraction form
    1,299,057.74/1,792,651.56 = 726,107.48/x
  3. Step 3: Cross multiply
    1,299,057.74x = 1,792,651.56 × 726,107.48
  4. Step 4: Simplify right side
    1,299,057.74x = 1,301,657,706,749.67
  5. Step 5: Solve for x
    x = 1,301,657,706,749.67/1,299,057.74
  6. Step 6: Final answer
    x = 1,002,001.43

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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.