Home / 1,288,600.75-1,778,055.60-744,787.25

Finding the Fourth Proportional to 1,288,600.75, 1,778,055.60 and 744,787.25

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Solution

The fourth proportional to 1,288,600.75, 1,778,055.60 and 744,787.25 is: 1,027,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,600.75 : 1,778,055.60 = 744,787.25 : x
  2. Step 2: Convert to fraction form
    1,288,600.75/1,778,055.60 = 744,787.25/x
  3. Step 3: Cross multiply
    1,288,600.75x = 1,778,055.60 × 744,787.25
  4. Step 4: Simplify right side
    1,288,600.75x = 1,324,273,151,243.05
  5. Step 5: Solve for x
    x = 1,324,273,151,243.05/1,288,600.75
  6. Step 6: Final answer
    x = 1,027,683.05

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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.