Home / 1,491,901.20-2,237,851.80-494,629.20

Finding the Fourth Proportional to 1,491,901.20, 2,237,851.80 and 494,629.20

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Solution

The fourth proportional to 1,491,901.20, 2,237,851.80 and 494,629.20 is: 741,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,901.20 : 2,237,851.80 = 494,629.20 : x
  2. Step 2: Convert to fraction form
    1,491,901.20/2,237,851.80 = 494,629.20/x
  3. Step 3: Cross multiply
    1,491,901.20x = 2,237,851.80 × 494,629.20
  4. Step 4: Simplify right side
    1,491,901.20x = 1,106,906,845,552.56
  5. Step 5: Solve for x
    x = 1,106,906,845,552.56/1,491,901.20
  6. Step 6: Final answer
    x = 741,943.80

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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.