Home / 1,098,046.78-1,647,021.71-299,328.37

Finding the Fourth Proportional to 1,098,046.78, 1,647,021.71 and 299,328.37

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Solution

The fourth proportional to 1,098,046.78, 1,647,021.71 and 299,328.37 is: 448,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,046.78 : 1,647,021.71 = 299,328.37 : x
  2. Step 2: Convert to fraction form
    1,098,046.78/1,647,021.71 = 299,328.37/x
  3. Step 3: Cross multiply
    1,098,046.78x = 1,647,021.71 × 299,328.37
  4. Step 4: Simplify right side
    1,098,046.78x = 493,000,320,439.68
  5. Step 5: Solve for x
    x = 493,000,320,439.68/1,098,046.78
  6. Step 6: Final answer
    x = 448,979.34

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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.