Home / 1,100,511.80-1,650,767.70-834,791.30

Finding the Fourth Proportional to 1,100,511.80, 1,650,767.70 and 834,791.30

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Solution

The fourth proportional to 1,100,511.80, 1,650,767.70 and 834,791.30 is: 1,252,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,511.80 : 1,650,767.70 = 834,791.30 : x
  2. Step 2: Convert to fraction form
    1,100,511.80/1,650,767.70 = 834,791.30/x
  3. Step 3: Cross multiply
    1,100,511.80x = 1,650,767.70 × 834,791.30
  4. Step 4: Simplify right side
    1,100,511.80x = 1,378,046,514,281.01
  5. Step 5: Solve for x
    x = 1,378,046,514,281.01/1,100,511.80
  6. Step 6: Final answer
    x = 1,252,186.95

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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.