Home / 1,288,601.75-1,778,056.98-744,788.25

Finding the Fourth Proportional to 1,288,601.75, 1,778,056.98 and 744,788.25

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Solution

The fourth proportional to 1,288,601.75, 1,778,056.98 and 744,788.25 is: 1,027,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,601.75 : 1,778,056.98 = 744,788.25 : x
  2. Step 2: Convert to fraction form
    1,288,601.75/1,778,056.98 = 744,788.25/x
  3. Step 3: Cross multiply
    1,288,601.75x = 1,778,056.98 × 744,788.25
  4. Step 4: Simplify right side
    1,288,601.75x = 1,324,275,946,534.49
  5. Step 5: Solve for x
    x = 1,324,275,946,534.49/1,288,601.75
  6. Step 6: Final answer
    x = 1,027,684.42

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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.