Home / 1,508,382.11-2,081,608.36-820,100.27

Finding the Fourth Proportional to 1,508,382.11, 2,081,608.36 and 820,100.27

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Solution

The fourth proportional to 1,508,382.11, 2,081,608.36 and 820,100.27 is: 1,131,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,382.11 : 2,081,608.36 = 820,100.27 : x
  2. Step 2: Convert to fraction form
    1,508,382.11/2,081,608.36 = 820,100.27/x
  3. Step 3: Cross multiply
    1,508,382.11x = 2,081,608.36 × 820,100.27
  4. Step 4: Simplify right side
    1,508,382.11x = 1,707,127,581,224.03
  5. Step 5: Solve for x
    x = 1,707,127,581,224.03/1,508,382.11
  6. Step 6: Final answer
    x = 1,131,760.69

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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.