Home / 1,093,559.10-1,640,338.65-810,123.90

Finding the Fourth Proportional to 1,093,559.10, 1,640,338.65 and 810,123.90

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Solution

The fourth proportional to 1,093,559.10, 1,640,338.65 and 810,123.90 is: 1,215,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,559.10 : 1,640,338.65 = 810,123.90 : x
  2. Step 2: Convert to fraction form
    1,093,559.10/1,640,338.65 = 810,123.90/x
  3. Step 3: Cross multiply
    1,093,559.10x = 1,640,338.65 × 810,123.90
  4. Step 4: Simplify right side
    1,093,559.10x = 1,328,877,544,458.73
  5. Step 5: Solve for x
    x = 1,328,877,544,458.73/1,093,559.10
  6. Step 6: Final answer
    x = 1,215,185.85

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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.