Home / 1,299,123.36-1,792,792.44-726,163.02

Finding the Fourth Proportional to 1,299,123.36, 1,792,792.44 and 726,163.02

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Solution

The fourth proportional to 1,299,123.36, 1,792,792.44 and 726,163.02 is: 1,002,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,123.36 : 1,792,792.44 = 726,163.02 : x
  2. Step 2: Convert to fraction form
    1,299,123.36/1,792,792.44 = 726,163.02/x
  3. Step 3: Cross multiply
    1,299,123.36x = 1,792,792.44 × 726,163.02
  4. Step 4: Simplify right side
    1,299,123.36x = 1,301,859,572,463.57
  5. Step 5: Solve for x
    x = 1,301,859,572,463.57/1,299,123.36
  6. Step 6: Final answer
    x = 1,002,106.20

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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.