Home / 1,660,922.82-2,489,809.59-538,204.50

Finding the Fourth Proportional to 1,660,922.82, 2,489,809.59 and 538,204.50

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Solution

The fourth proportional to 1,660,922.82, 2,489,809.59 and 538,204.50 is: 806,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,922.82 : 2,489,809.59 = 538,204.50 : x
  2. Step 2: Convert to fraction form
    1,660,922.82/2,489,809.59 = 538,204.50/x
  3. Step 3: Cross multiply
    1,660,922.82x = 2,489,809.59 × 538,204.50
  4. Step 4: Simplify right side
    1,660,922.82x = 1,340,026,725,481.16
  5. Step 5: Solve for x
    x = 1,340,026,725,481.16/1,660,922.82
  6. Step 6: Final answer
    x = 806,796.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.