Home / 1,190.19-1,785.69-1,017.26

Finding the Fourth Proportional to 1,190.19, 1,785.69 and 1,017.26

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Solution

The fourth proportional to 1,190.19, 1,785.69 and 1,017.26 is: 1,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.19 : 1,785.69 = 1,017.26 : x
  2. Step 2: Convert to fraction form
    1,190.19/1,785.69 = 1,017.26/x
  3. Step 3: Cross multiply
    1,190.19x = 1,785.69 × 1,017.26
  4. Step 4: Simplify right side
    1,190.19x = 1,816,511.01
  5. Step 5: Solve for x
    x = 1,816,511.01/1,190.19
  6. Step 6: Final answer
    x = 1,526.24

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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.