Home / 1,299,188.44-1,792,874.82-726,228.28

Finding the Fourth Proportional to 1,299,188.44, 1,792,874.82 and 726,228.28

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Solution

The fourth proportional to 1,299,188.44, 1,792,874.82 and 726,228.28 is: 1,002,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,188.44 : 1,792,874.82 = 726,228.28 : x
  2. Step 2: Convert to fraction form
    1,299,188.44/1,792,874.82 = 726,228.28/x
  3. Step 3: Cross multiply
    1,299,188.44x = 1,792,874.82 × 726,228.28
  4. Step 4: Simplify right side
    1,299,188.44x = 1,302,036,396,783.91
  5. Step 5: Solve for x
    x = 1,302,036,396,783.91/1,299,188.44
  6. Step 6: Final answer
    x = 1,002,192.10

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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.