Home / 1,047.26-1,445.11-605.09

Finding the Fourth Proportional to 1,047.26, 1,445.11 and 605.09

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Solution

The fourth proportional to 1,047.26, 1,445.11 and 605.09 is: 834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.26 : 1,445.11 = 605.09 : x
  2. Step 2: Convert to fraction form
    1,047.26/1,445.11 = 605.09/x
  3. Step 3: Cross multiply
    1,047.26x = 1,445.11 × 605.09
  4. Step 4: Simplify right side
    1,047.26x = 874,423.71
  5. Step 5: Solve for x
    x = 874,423.71/1,047.26
  6. Step 6: Final answer
    x = 834.96

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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.