Home / 1,223.51-1,835.66-607.30

Finding the Fourth Proportional to 1,223.51, 1,835.66 and 607.30

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Solution

The fourth proportional to 1,223.51, 1,835.66 and 607.30 is: 911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.51 : 1,835.66 = 607.30 : x
  2. Step 2: Convert to fraction form
    1,223.51/1,835.66 = 607.30/x
  3. Step 3: Cross multiply
    1,223.51x = 1,835.66 × 607.30
  4. Step 4: Simplify right side
    1,223.51x = 1,114,793.25
  5. Step 5: Solve for x
    x = 1,114,793.25/1,223.51
  6. Step 6: Final answer
    x = 911.15

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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.