Home / 1,508,587.47-2,081,827.66-820,253.83

Finding the Fourth Proportional to 1,508,587.47, 2,081,827.66 and 820,253.83

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Solution

The fourth proportional to 1,508,587.47, 2,081,827.66 and 820,253.83 is: 1,131,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,587.47 : 2,081,827.66 = 820,253.83 : x
  2. Step 2: Convert to fraction form
    1,508,587.47/2,081,827.66 = 820,253.83/x
  3. Step 3: Cross multiply
    1,508,587.47x = 2,081,827.66 × 820,253.83
  4. Step 4: Simplify right side
    1,508,587.47x = 1,707,627,111,514.94
  5. Step 5: Solve for x
    x = 1,707,627,111,514.94/1,508,587.47
  6. Step 6: Final answer
    x = 1,131,937.75

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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.