Home / 1,323.74-1,986.05-544.59

Finding the Fourth Proportional to 1,323.74, 1,986.05 and 544.59

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Solution

The fourth proportional to 1,323.74, 1,986.05 and 544.59 is: 817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.74 : 1,986.05 = 544.59 : x
  2. Step 2: Convert to fraction form
    1,323.74/1,986.05 = 544.59/x
  3. Step 3: Cross multiply
    1,323.74x = 1,986.05 × 544.59
  4. Step 4: Simplify right side
    1,323.74x = 1,081,584.33
  5. Step 5: Solve for x
    x = 1,081,584.33/1,323.74
  6. Step 6: Final answer
    x = 817.07

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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.