Home / 1,988,710.44-2,743,265.82-1,253,376.60

Finding the Fourth Proportional to 1,988,710.44, 2,743,265.82 and 1,253,376.60

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Solution

The fourth proportional to 1,988,710.44, 2,743,265.82 and 1,253,376.60 is: 1,728,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,710.44 : 2,743,265.82 = 1,253,376.60 : x
  2. Step 2: Convert to fraction form
    1,988,710.44/2,743,265.82 = 1,253,376.60/x
  3. Step 3: Cross multiply
    1,988,710.44x = 2,743,265.82 × 1,253,376.60
  4. Step 4: Simplify right side
    1,988,710.44x = 3,438,345,186,367.81
  5. Step 5: Solve for x
    x = 3,438,345,186,367.81/1,988,710.44
  6. Step 6: Final answer
    x = 1,728,932.03

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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.