Home / 1,043.16-1,439.37-601.09

Finding the Fourth Proportional to 1,043.16, 1,439.37 and 601.09

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Solution

The fourth proportional to 1,043.16, 1,439.37 and 601.09 is: 829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.16 : 1,439.37 = 601.09 : x
  2. Step 2: Convert to fraction form
    1,043.16/1,439.37 = 601.09/x
  3. Step 3: Cross multiply
    1,043.16x = 1,439.37 × 601.09
  4. Step 4: Simplify right side
    1,043.16x = 865,190.91
  5. Step 5: Solve for x
    x = 865,190.91/1,043.16
  6. Step 6: Final answer
    x = 829.39

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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.