Home / 1,321,261.88-1,823,343.21-717,649.88

Finding the Fourth Proportional to 1,321,261.88, 1,823,343.21 and 717,649.88

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Solution

The fourth proportional to 1,321,261.88, 1,823,343.21 and 717,649.88 is: 990,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,261.88 : 1,823,343.21 = 717,649.88 : x
  2. Step 2: Convert to fraction form
    1,321,261.88/1,823,343.21 = 717,649.88/x
  3. Step 3: Cross multiply
    1,321,261.88x = 1,823,343.21 × 717,649.88
  4. Step 4: Simplify right side
    1,321,261.88x = 1,308,522,026,738.60
  5. Step 5: Solve for x
    x = 1,308,522,026,738.60/1,321,261.88
  6. Step 6: Final answer
    x = 990,357.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.