Home / 1,088,120.83-1,631,548.09-800,104.72

Finding the Fourth Proportional to 1,088,120.83, 1,631,548.09 and 800,104.72

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Solution

The fourth proportional to 1,088,120.83, 1,631,548.09 and 800,104.72 is: 1,199,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,120.83 : 1,631,548.09 = 800,104.72 : x
  2. Step 2: Convert to fraction form
    1,088,120.83/1,631,548.09 = 800,104.72/x
  3. Step 3: Cross multiply
    1,088,120.83x = 1,631,548.09 × 800,104.72
  4. Step 4: Simplify right side
    1,088,120.83x = 1,305,409,333,032.36
  5. Step 5: Solve for x
    x = 1,305,409,333,032.36/1,088,120.83
  6. Step 6: Final answer
    x = 1,199,691.52

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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.