Home / 1,202,181.96-1,658,961.28-658,308.38

Finding the Fourth Proportional to 1,202,181.96, 1,658,961.28 and 658,308.38

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Solution

The fourth proportional to 1,202,181.96, 1,658,961.28 and 658,308.38 is: 908,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,181.96 : 1,658,961.28 = 658,308.38 : x
  2. Step 2: Convert to fraction form
    1,202,181.96/1,658,961.28 = 658,308.38/x
  3. Step 3: Cross multiply
    1,202,181.96x = 1,658,961.28 × 658,308.38
  4. Step 4: Simplify right side
    1,202,181.96x = 1,092,108,101,133.18
  5. Step 5: Solve for x
    x = 1,092,108,101,133.18/1,202,181.96
  6. Step 6: Final answer
    x = 908,438.27

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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.