Home / 942,902.20-1,297,918.74-821,833.24

Finding the Fourth Proportional to 942,902.20, 1,297,918.74 and 821,833.24

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Solution

The fourth proportional to 942,902.20, 1,297,918.74 and 821,833.24 is: 1,131,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,902.20 : 1,297,918.74 = 821,833.24 : x
  2. Step 2: Convert to fraction form
    942,902.20/1,297,918.74 = 821,833.24/x
  3. Step 3: Cross multiply
    942,902.20x = 1,297,918.74 × 821,833.24
  4. Step 4: Simplify right side
    942,902.20x = 1,066,672,763,350.92
  5. Step 5: Solve for x
    x = 1,066,672,763,350.92/942,902.20
  6. Step 6: Final answer
    x = 1,131,265.54

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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.