Home / 1,051,559.03-1,449,451.46-821,716.94

Finding the Fourth Proportional to 1,051,559.03, 1,449,451.46 and 821,716.94

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Solution

The fourth proportional to 1,051,559.03, 1,449,451.46 and 821,716.94 is: 1,132,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,559.03 : 1,449,451.46 = 821,716.94 : x
  2. Step 2: Convert to fraction form
    1,051,559.03/1,449,451.46 = 821,716.94/x
  3. Step 3: Cross multiply
    1,051,559.03x = 1,449,451.46 × 821,716.94
  4. Step 4: Simplify right side
    1,051,559.03x = 1,191,038,817,904.78
  5. Step 5: Solve for x
    x = 1,191,038,817,904.78/1,051,559.03
  6. Step 6: Final answer
    x = 1,132,640.95

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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.