Home / 1,202,021.27-1,658,783.28-658,147.17

Finding the Fourth Proportional to 1,202,021.27, 1,658,783.28 and 658,147.17

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Solution

The fourth proportional to 1,202,021.27, 1,658,783.28 and 658,147.17 is: 908,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,021.27 : 1,658,783.28 = 658,147.17 : x
  2. Step 2: Convert to fraction form
    1,202,021.27/1,658,783.28 = 658,147.17/x
  3. Step 3: Cross multiply
    1,202,021.27x = 1,658,783.28 × 658,147.17
  4. Step 4: Simplify right side
    1,202,021.27x = 1,091,723,521,375.32
  5. Step 5: Solve for x
    x = 1,091,723,521,375.32/1,202,021.27
  6. Step 6: Final answer
    x = 908,239.77

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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.