Home / 1,508,328.52-2,081,534.43-820,046.69

Finding the Fourth Proportional to 1,508,328.52, 2,081,534.43 and 820,046.69

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Solution

The fourth proportional to 1,508,328.52, 2,081,534.43 and 820,046.69 is: 1,131,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,328.52 : 2,081,534.43 = 820,046.69 : x
  2. Step 2: Convert to fraction form
    1,508,328.52/2,081,534.43 = 820,046.69/x
  3. Step 3: Cross multiply
    1,508,328.52x = 2,081,534.43 × 820,046.69
  4. Step 4: Simplify right side
    1,508,328.52x = 1,706,955,419,442.54
  5. Step 5: Solve for x
    x = 1,706,955,419,442.54/1,508,328.52
  6. Step 6: Final answer
    x = 1,131,686.76

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Double scale
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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.