Home / 1,100,260.80-1,650,391.20-834,540.30

Finding the Fourth Proportional to 1,100,260.80, 1,650,391.20 and 834,540.30

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Solution

The fourth proportional to 1,100,260.80, 1,650,391.20 and 834,540.30 is: 1,251,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,260.80 : 1,650,391.20 = 834,540.30 : x
  2. Step 2: Convert to fraction form
    1,100,260.80/1,650,391.20 = 834,540.30/x
  3. Step 3: Cross multiply
    1,100,260.80x = 1,650,391.20 × 834,540.30
  4. Step 4: Simplify right side
    1,100,260.80x = 1,377,317,967,165.36
  5. Step 5: Solve for x
    x = 1,377,317,967,165.36/1,100,260.80
  6. Step 6: Final answer
    x = 1,251,810.45

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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.