Home / 1,298,725.95-1,792,244.25-725,766.13

Finding the Fourth Proportional to 1,298,725.95, 1,792,244.25 and 725,766.13

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Solution

The fourth proportional to 1,298,725.95, 1,792,244.25 and 725,766.13 is: 1,001,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,725.95 : 1,792,244.25 = 725,766.13 : x
  2. Step 2: Convert to fraction form
    1,298,725.95/1,792,244.25 = 725,766.13/x
  3. Step 3: Cross multiply
    1,298,725.95x = 1,792,244.25 × 725,766.13
  4. Step 4: Simplify right side
    1,298,725.95x = 1,300,750,163,454.97
  5. Step 5: Solve for x
    x = 1,300,750,163,454.97/1,298,725.95
  6. Step 6: Final answer
    x = 1,001,558.61

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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.