Home / 1,191,142.92-1,643,998.66-681,845.29

Finding the Fourth Proportional to 1,191,142.92, 1,643,998.66 and 681,845.29

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Solution

The fourth proportional to 1,191,142.92, 1,643,998.66 and 681,845.29 is: 941,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,142.92 : 1,643,998.66 = 681,845.29 : x
  2. Step 2: Convert to fraction form
    1,191,142.92/1,643,998.66 = 681,845.29/x
  3. Step 3: Cross multiply
    1,191,142.92x = 1,643,998.66 × 681,845.29
  4. Step 4: Simplify right side
    1,191,142.92x = 1,120,952,739,678.09
  5. Step 5: Solve for x
    x = 1,120,952,739,678.09/1,191,142.92
  6. Step 6: Final answer
    x = 941,073.25

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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.