Home / 1,449,171.12-1,999,918.56-804,591.36

Finding the Fourth Proportional to 1,449,171.12, 1,999,918.56 and 804,591.36

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Solution

The fourth proportional to 1,449,171.12, 1,999,918.56 and 804,591.36 is: 1,110,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,171.12 : 1,999,918.56 = 804,591.36 : x
  2. Step 2: Convert to fraction form
    1,449,171.12/1,999,918.56 = 804,591.36/x
  3. Step 3: Cross multiply
    1,449,171.12x = 1,999,918.56 × 804,591.36
  4. Step 4: Simplify right side
    1,449,171.12x = 1,609,117,194,079.64
  5. Step 5: Solve for x
    x = 1,609,117,194,079.64/1,449,171.12
  6. Step 6: Final answer
    x = 1,110,370.73

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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.