Home / 1,259,192.28-1,889,187.72-449,559.36

Finding the Fourth Proportional to 1,259,192.28, 1,889,187.72 and 449,559.36

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Solution

The fourth proportional to 1,259,192.28, 1,889,187.72 and 449,559.36 is: 674,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,192.28 : 1,889,187.72 = 449,559.36 : x
  2. Step 2: Convert to fraction form
    1,259,192.28/1,889,187.72 = 449,559.36/x
  3. Step 3: Cross multiply
    1,259,192.28x = 1,889,187.72 × 449,559.36
  4. Step 4: Simplify right side
    1,259,192.28x = 849,302,022,323.06
  5. Step 5: Solve for x
    x = 849,302,022,323.06/1,259,192.28
  6. Step 6: Final answer
    x = 674,481.60

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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.