Home / 1,321,346.44-1,823,713.82-861,662.95

Finding the Fourth Proportional to 1,321,346.44, 1,823,713.82 and 861,662.95

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Solution

The fourth proportional to 1,321,346.44, 1,823,713.82 and 861,662.95 is: 1,189,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,346.44 : 1,823,713.82 = 861,662.95 : x
  2. Step 2: Convert to fraction form
    1,321,346.44/1,823,713.82 = 861,662.95/x
  3. Step 3: Cross multiply
    1,321,346.44x = 1,823,713.82 × 861,662.95
  4. Step 4: Simplify right side
    1,321,346.44x = 1,571,426,637,236.54
  5. Step 5: Solve for x
    x = 1,571,426,637,236.54/1,321,346.44
  6. Step 6: Final answer
    x = 1,189,261.64

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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.