Home / 798,959.70-1,198,439.55-726,642.90

Finding the Fourth Proportional to 798,959.70, 1,198,439.55 and 726,642.90

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Solution

The fourth proportional to 798,959.70, 1,198,439.55 and 726,642.90 is: 1,089,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,959.70 : 1,198,439.55 = 726,642.90 : x
  2. Step 2: Convert to fraction form
    798,959.70/1,198,439.55 = 726,642.90/x
  3. Step 3: Cross multiply
    798,959.70x = 1,198,439.55 × 726,642.90
  4. Step 4: Simplify right side
    798,959.70x = 870,837,590,086.70
  5. Step 5: Solve for x
    x = 870,837,590,086.70/798,959.70
  6. Step 6: Final answer
    x = 1,089,964.35

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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.