Home / 1,202,156.78-1,658,976.31-658,325.81

Finding the Fourth Proportional to 1,202,156.78, 1,658,976.31 and 658,325.81

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Solution

The fourth proportional to 1,202,156.78, 1,658,976.31 and 658,325.81 is: 908,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,156.78 : 1,658,976.31 = 658,325.81 : x
  2. Step 2: Convert to fraction form
    1,202,156.78/1,658,976.31 = 658,325.81/x
  3. Step 3: Cross multiply
    1,202,156.78x = 1,658,976.31 × 658,325.81
  4. Step 4: Simplify right side
    1,202,156.78x = 1,092,146,923,051.56
  5. Step 5: Solve for x
    x = 1,092,146,923,051.56/1,202,156.78
  6. Step 6: Final answer
    x = 908,489.60

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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.