Home / 1,021,452.26-1,409,499.80-628,922.87

Finding the Fourth Proportional to 1,021,452.26, 1,409,499.80 and 628,922.87

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Solution

The fourth proportional to 1,021,452.26, 1,409,499.80 and 628,922.87 is: 867,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,452.26 : 1,409,499.80 = 628,922.87 : x
  2. Step 2: Convert to fraction form
    1,021,452.26/1,409,499.80 = 628,922.87/x
  3. Step 3: Cross multiply
    1,021,452.26x = 1,409,499.80 × 628,922.87
  4. Step 4: Simplify right side
    1,021,452.26x = 886,466,659,480.43
  5. Step 5: Solve for x
    x = 886,466,659,480.43/1,021,452.26
  6. Step 6: Final answer
    x = 867,849.33

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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.