Home / 1,998,559.40-2,758,912.64-1,274,380.52

Finding the Fourth Proportional to 1,998,559.40, 2,758,912.64 and 1,274,380.52

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Solution

The fourth proportional to 1,998,559.40, 2,758,912.64 and 1,274,380.52 is: 1,759,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,559.40 : 2,758,912.64 = 1,274,380.52 : x
  2. Step 2: Convert to fraction form
    1,998,559.40/2,758,912.64 = 1,274,380.52/x
  3. Step 3: Cross multiply
    1,998,559.40x = 2,758,912.64 × 1,274,380.52
  4. Step 4: Simplify right side
    1,998,559.40x = 3,515,904,504,631.31
  5. Step 5: Solve for x
    x = 3,515,904,504,631.31/1,998,559.40
  6. Step 6: Final answer
    x = 1,759,219.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.