Home / 798,977.70-1,198,466.55-726,660.90

Finding the Fourth Proportional to 798,977.70, 1,198,466.55 and 726,660.90

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Solution

The fourth proportional to 798,977.70, 1,198,466.55 and 726,660.90 is: 1,089,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,977.70 : 1,198,466.55 = 726,660.90 : x
  2. Step 2: Convert to fraction form
    798,977.70/1,198,466.55 = 726,660.90/x
  3. Step 3: Cross multiply
    798,977.70x = 1,198,466.55 × 726,660.90
  4. Step 4: Simplify right side
    798,977.70x = 870,878,781,842.90
  5. Step 5: Solve for x
    x = 870,878,781,842.90/798,977.70
  6. Step 6: Final answer
    x = 1,089,991.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.