Home / 1,031,028.35-1,422,754.90-622,889.04

Finding the Fourth Proportional to 1,031,028.35, 1,422,754.90 and 622,889.04

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Solution

The fourth proportional to 1,031,028.35, 1,422,754.90 and 622,889.04 is: 859,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,028.35 : 1,422,754.90 = 622,889.04 : x
  2. Step 2: Convert to fraction form
    1,031,028.35/1,422,754.90 = 622,889.04/x
  3. Step 3: Cross multiply
    1,031,028.35x = 1,422,754.90 × 622,889.04
  4. Step 4: Simplify right side
    1,031,028.35x = 886,218,431,343.28
  5. Step 5: Solve for x
    x = 886,218,431,343.28/1,031,028.35
  6. Step 6: Final answer
    x = 859,548.08

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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.