Home / 1,299,180.33-1,792,871.22-726,220.15

Finding the Fourth Proportional to 1,299,180.33, 1,792,871.22 and 726,220.15

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Solution

The fourth proportional to 1,299,180.33, 1,792,871.22 and 726,220.15 is: 1,002,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,180.33 : 1,792,871.22 = 726,220.15 : x
  2. Step 2: Convert to fraction form
    1,299,180.33/1,792,871.22 = 726,220.15/x
  3. Step 3: Cross multiply
    1,299,180.33x = 1,792,871.22 × 726,220.15
  4. Step 4: Simplify right side
    1,299,180.33x = 1,302,019,206,319.08
  5. Step 5: Solve for x
    x = 1,302,019,206,319.08/1,299,180.33
  6. Step 6: Final answer
    x = 1,002,185.13

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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.