Home / 1,298,759.97-1,792,295.40-725,809.71

Finding the Fourth Proportional to 1,298,759.97, 1,792,295.40 and 725,809.71

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Solution

The fourth proportional to 1,298,759.97, 1,792,295.40 and 725,809.71 is: 1,001,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,759.97 : 1,792,295.40 = 725,809.71 : x
  2. Step 2: Convert to fraction form
    1,298,759.97/1,792,295.40 = 725,809.71/x
  3. Step 3: Cross multiply
    1,298,759.97x = 1,792,295.40 × 725,809.71
  4. Step 4: Simplify right side
    1,298,759.97x = 1,300,865,404,508.33
  5. Step 5: Solve for x
    x = 1,300,865,404,508.33/1,298,759.97
  6. Step 6: Final answer
    x = 1,001,621.11

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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.