Home / 1,691,992.99-2,538,654.09-744,699.61

Finding the Fourth Proportional to 1,691,992.99, 2,538,654.09 and 744,699.61

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Solution

The fourth proportional to 1,691,992.99, 2,538,654.09 and 744,699.61 is: 1,117,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,992.99 : 2,538,654.09 = 744,699.61 : x
  2. Step 2: Convert to fraction form
    1,691,992.99/2,538,654.09 = 744,699.61/x
  3. Step 3: Cross multiply
    1,691,992.99x = 2,538,654.09 × 744,699.61
  4. Step 4: Simplify right side
    1,691,992.99x = 1,890,534,710,747.90
  5. Step 5: Solve for x
    x = 1,890,534,710,747.90/1,691,992.99
  6. Step 6: Final answer
    x = 1,117,341.93

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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.