Home / 1,508,680.92-2,081,982.16-820,352.14

Finding the Fourth Proportional to 1,508,680.92, 2,081,982.16 and 820,352.14

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Solution

The fourth proportional to 1,508,680.92, 2,081,982.16 and 820,352.14 is: 1,132,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,680.92 : 2,081,982.16 = 820,352.14 : x
  2. Step 2: Convert to fraction form
    1,508,680.92/2,081,982.16 = 820,352.14/x
  3. Step 3: Cross multiply
    1,508,680.92x = 2,081,982.16 × 820,352.14
  4. Step 4: Simplify right side
    1,508,680.92x = 1,707,958,520,397.82
  5. Step 5: Solve for x
    x = 1,707,958,520,397.82/1,508,680.92
  6. Step 6: Final answer
    x = 1,132,087.31

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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.