Home / 1,051,619.89-1,449,535.26-821,777.71

Finding the Fourth Proportional to 1,051,619.89, 1,449,535.26 and 821,777.71

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Solution

The fourth proportional to 1,051,619.89, 1,449,535.26 and 821,777.71 is: 1,132,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,619.89 : 1,449,535.26 = 821,777.71 : x
  2. Step 2: Convert to fraction form
    1,051,619.89/1,449,535.26 = 821,777.71/x
  3. Step 3: Cross multiply
    1,051,619.89x = 1,449,535.26 × 821,777.71
  4. Step 4: Simplify right side
    1,051,619.89x = 1,191,195,766,527.05
  5. Step 5: Solve for x
    x = 1,191,195,766,527.05/1,051,619.89
  6. Step 6: Final answer
    x = 1,132,724.64

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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.