Home / 1,100,505.80-1,650,758.70-834,785.30

Finding the Fourth Proportional to 1,100,505.80, 1,650,758.70 and 834,785.30

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Solution

The fourth proportional to 1,100,505.80, 1,650,758.70 and 834,785.30 is: 1,252,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,505.80 : 1,650,758.70 = 834,785.30 : x
  2. Step 2: Convert to fraction form
    1,100,505.80/1,650,758.70 = 834,785.30/x
  3. Step 3: Cross multiply
    1,100,505.80x = 1,650,758.70 × 834,785.30
  4. Step 4: Simplify right side
    1,100,505.80x = 1,378,029,096,607.11
  5. Step 5: Solve for x
    x = 1,378,029,096,607.11/1,100,505.80
  6. Step 6: Final answer
    x = 1,252,177.95

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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.