Home / 1,043.48-1,563.46-631.36

Finding the Fourth Proportional to 1,043.48, 1,563.46 and 631.36

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Solution

The fourth proportional to 1,043.48, 1,563.46 and 631.36 is: 945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.48 : 1,563.46 = 631.36 : x
  2. Step 2: Convert to fraction form
    1,043.48/1,563.46 = 631.36/x
  3. Step 3: Cross multiply
    1,043.48x = 1,563.46 × 631.36
  4. Step 4: Simplify right side
    1,043.48x = 987,100.62
  5. Step 5: Solve for x
    x = 987,100.62/1,043.48
  6. Step 6: Final answer
    x = 945.97

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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.