Home / 1,129,979.82-1,694,972.56-277,055.30

Finding the Fourth Proportional to 1,129,979.82, 1,694,972.56 and 277,055.30

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Solution

The fourth proportional to 1,129,979.82, 1,694,972.56 and 277,055.30 is: 415,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,979.82 : 1,694,972.56 = 277,055.30 : x
  2. Step 2: Convert to fraction form
    1,129,979.82/1,694,972.56 = 277,055.30/x
  3. Step 3: Cross multiply
    1,129,979.82x = 1,694,972.56 × 277,055.30
  4. Step 4: Simplify right side
    1,129,979.82x = 469,601,131,102.57
  5. Step 5: Solve for x
    x = 469,601,131,102.57/1,129,979.82
  6. Step 6: Final answer
    x = 415,583.64

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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.