Home / 1,440,190.72-1,987,456.96-795,610.88

Finding the Fourth Proportional to 1,440,190.72, 1,987,456.96 and 795,610.88

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Solution

The fourth proportional to 1,440,190.72, 1,987,456.96 and 795,610.88 is: 1,097,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,190.72 : 1,987,456.96 = 795,610.88 : x
  2. Step 2: Convert to fraction form
    1,440,190.72/1,987,456.96 = 795,610.88/x
  3. Step 3: Cross multiply
    1,440,190.72x = 1,987,456.96 × 795,610.88
  4. Step 4: Simplify right side
    1,440,190.72x = 1,581,242,380,907.73
  5. Step 5: Solve for x
    x = 1,581,242,380,907.73/1,440,190.72
  6. Step 6: Final answer
    x = 1,097,939.57

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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.