Home / 1,508,473.41-2,081,734.12-820,191.47

Finding the Fourth Proportional to 1,508,473.41, 2,081,734.12 and 820,191.47

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Solution

The fourth proportional to 1,508,473.41, 2,081,734.12 and 820,191.47 is: 1,131,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,473.41 : 2,081,734.12 = 820,191.47 : x
  2. Step 2: Convert to fraction form
    1,508,473.41/2,081,734.12 = 820,191.47/x
  3. Step 3: Cross multiply
    1,508,473.41x = 2,081,734.12 × 820,191.47
  4. Step 4: Simplify right side
    1,508,473.41x = 1,707,420,573,236.29
  5. Step 5: Solve for x
    x = 1,707,420,573,236.29/1,508,473.41
  6. Step 6: Final answer
    x = 1,131,886.43

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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.