Home / 1,105.23-1,525.26-607.89

Finding the Fourth Proportional to 1,105.23, 1,525.26 and 607.89

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Solution

The fourth proportional to 1,105.23, 1,525.26 and 607.89 is: 838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.23 : 1,525.26 = 607.89 : x
  2. Step 2: Convert to fraction form
    1,105.23/1,525.26 = 607.89/x
  3. Step 3: Cross multiply
    1,105.23x = 1,525.26 × 607.89
  4. Step 4: Simplify right side
    1,105.23x = 927,190.30
  5. Step 5: Solve for x
    x = 927,190.30/1,105.23
  6. Step 6: Final answer
    x = 838.91

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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.