Home / 1,508,589.22-2,081,830.08-820,255.58

Finding the Fourth Proportional to 1,508,589.22, 2,081,830.08 and 820,255.58

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Solution

The fourth proportional to 1,508,589.22, 2,081,830.08 and 820,255.58 is: 1,131,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,589.22 : 2,081,830.08 = 820,255.58 : x
  2. Step 2: Convert to fraction form
    1,508,589.22/2,081,830.08 = 820,255.58/x
  3. Step 3: Cross multiply
    1,508,589.22x = 2,081,830.08 × 820,255.58
  4. Step 4: Simplify right side
    1,508,589.22x = 1,707,632,739,731.85
  5. Step 5: Solve for x
    x = 1,707,632,739,731.85/1,508,589.22
  6. Step 6: Final answer
    x = 1,131,940.17

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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.