Home / 1,059.20-1,461.66-617.03

Finding the Fourth Proportional to 1,059.20, 1,461.66 and 617.03

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Solution

The fourth proportional to 1,059.20, 1,461.66 and 617.03 is: 851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.20 : 1,461.66 = 617.03 : x
  2. Step 2: Convert to fraction form
    1,059.20/1,461.66 = 617.03/x
  3. Step 3: Cross multiply
    1,059.20x = 1,461.66 × 617.03
  4. Step 4: Simplify right side
    1,059.20x = 901,888.07
  5. Step 5: Solve for x
    x = 901,888.07/1,059.20
  6. Step 6: Final answer
    x = 851.48

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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.