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Finding the Fourth Proportional to 1,691,997, 2,538,660.10 and 744,703.62

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Solution

The fourth proportional to 1,691,997, 2,538,660.10 and 744,703.62 is: 1,117,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,997 : 2,538,660.10 = 744,703.62 : x
  2. Step 2: Convert to fraction form
    1,691,997/2,538,660.10 = 744,703.62/x
  3. Step 3: Cross multiply
    1,691,997x = 2,538,660.10 × 744,703.62
  4. Step 4: Simplify right side
    1,691,997x = 1,890,549,366,419.56
  5. Step 5: Solve for x
    x = 1,890,549,366,419.56/1,691,997
  6. Step 6: Final answer
    x = 1,117,347.94

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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.