Home / 1,223.39-1,835.29-607.12

Finding the Fourth Proportional to 1,223.39, 1,835.29 and 607.12

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Solution

The fourth proportional to 1,223.39, 1,835.29 and 607.12 is: 910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.39 : 1,835.29 = 607.12 : x
  2. Step 2: Convert to fraction form
    1,223.39/1,835.29 = 607.12/x
  3. Step 3: Cross multiply
    1,223.39x = 1,835.29 × 607.12
  4. Step 4: Simplify right side
    1,223.39x = 1,114,232.09
  5. Step 5: Solve for x
    x = 1,114,232.09/1,223.39
  6. Step 6: Final answer
    x = 910.77

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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.