Home / 1,508,966.97-2,082,388.41-820,645.31

Finding the Fourth Proportional to 1,508,966.97, 2,082,388.41 and 820,645.31

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Solution

The fourth proportional to 1,508,966.97, 2,082,388.41 and 820,645.31 is: 1,132,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,966.97 : 2,082,388.41 = 820,645.31 : x
  2. Step 2: Convert to fraction form
    1,508,966.97/2,082,388.41 = 820,645.31/x
  3. Step 3: Cross multiply
    1,508,966.97x = 2,082,388.41 × 820,645.31
  4. Step 4: Simplify right side
    1,508,966.97x = 1,708,902,271,852.92
  5. Step 5: Solve for x
    x = 1,708,902,271,852.92/1,508,966.97
  6. Step 6: Final answer
    x = 1,132,498.13

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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.