Home / 1,028,249.64-1,418,544.77-620,119.40

Finding the Fourth Proportional to 1,028,249.64, 1,418,544.77 and 620,119.40

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Solution

The fourth proportional to 1,028,249.64, 1,418,544.77 and 620,119.40 is: 855,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,249.64 : 1,418,544.77 = 620,119.40 : x
  2. Step 2: Convert to fraction form
    1,028,249.64/1,418,544.77 = 620,119.40/x
  3. Step 3: Cross multiply
    1,028,249.64x = 1,418,544.77 × 620,119.40
  4. Step 4: Simplify right side
    1,028,249.64x = 879,667,121,452.22
  5. Step 5: Solve for x
    x = 879,667,121,452.22/1,028,249.64
  6. Step 6: Final answer
    x = 855,499.57

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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.