Home / 1,508,474.28-2,081,735.33-820,192.35

Finding the Fourth Proportional to 1,508,474.28, 2,081,735.33 and 820,192.35

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Solution

The fourth proportional to 1,508,474.28, 2,081,735.33 and 820,192.35 is: 1,131,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,474.28 : 2,081,735.33 = 820,192.35 : x
  2. Step 2: Convert to fraction form
    1,508,474.28/2,081,735.33 = 820,192.35/x
  3. Step 3: Cross multiply
    1,508,474.28x = 2,081,735.33 × 820,192.35
  4. Step 4: Simplify right side
    1,508,474.28x = 1,707,423,392,390.73
  5. Step 5: Solve for x
    x = 1,707,423,392,390.73/1,508,474.28
  6. Step 6: Final answer
    x = 1,131,887.64

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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.