Home / 1,241,941.70-1,862,912.55-1,123,843.70

Finding the Fourth Proportional to 1,241,941.70, 1,862,912.55 and 1,123,843.70

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Solution

The fourth proportional to 1,241,941.70, 1,862,912.55 and 1,123,843.70 is: 1,685,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,941.70 : 1,862,912.55 = 1,123,843.70 : x
  2. Step 2: Convert to fraction form
    1,241,941.70/1,862,912.55 = 1,123,843.70/x
  3. Step 3: Cross multiply
    1,241,941.70x = 1,862,912.55 × 1,123,843.70
  4. Step 4: Simplify right side
    1,241,941.70x = 2,093,622,532,968.44
  5. Step 5: Solve for x
    x = 2,093,622,532,968.44/1,241,941.70
  6. Step 6: Final answer
    x = 1,685,765.55

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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.