Home / 1,298,719.55-1,792,227.75-725,759.57

Finding the Fourth Proportional to 1,298,719.55, 1,792,227.75 and 725,759.57

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Solution

The fourth proportional to 1,298,719.55, 1,792,227.75 and 725,759.57 is: 1,001,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,719.55 : 1,792,227.75 = 725,759.57 : x
  2. Step 2: Convert to fraction form
    1,298,719.55/1,792,227.75 = 725,759.57/x
  3. Step 3: Cross multiply
    1,298,719.55x = 1,792,227.75 × 725,759.57
  4. Step 4: Simplify right side
    1,298,719.55x = 1,300,726,441,182.07
  5. Step 5: Solve for x
    x = 1,300,726,441,182.07/1,298,719.55
  6. Step 6: Final answer
    x = 1,001,545.28

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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.