Home / 1,331,074.23-1,837,259.24-787,399.02

Finding the Fourth Proportional to 1,331,074.23, 1,837,259.24 and 787,399.02

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Solution

The fourth proportional to 1,331,074.23, 1,837,259.24 and 787,399.02 is: 1,086,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,074.23 : 1,837,259.24 = 787,399.02 : x
  2. Step 2: Convert to fraction form
    1,331,074.23/1,837,259.24 = 787,399.02/x
  3. Step 3: Cross multiply
    1,331,074.23x = 1,837,259.24 × 787,399.02
  4. Step 4: Simplify right side
    1,331,074.23x = 1,446,656,121,124.95
  5. Step 5: Solve for x
    x = 1,446,656,121,124.95/1,331,074.23
  6. Step 6: Final answer
    x = 1,086,833.54

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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.