Home / 1,086,364.30-1,629,608.68-287,625.06

Finding the Fourth Proportional to 1,086,364.30, 1,629,608.68 and 287,625.06

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Solution

The fourth proportional to 1,086,364.30, 1,629,608.68 and 287,625.06 is: 431,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,364.30 : 1,629,608.68 = 287,625.06 : x
  2. Step 2: Convert to fraction form
    1,086,364.30/1,629,608.68 = 287,625.06/x
  3. Step 3: Cross multiply
    1,086,364.30x = 1,629,608.68 × 287,625.06
  4. Step 4: Simplify right side
    1,086,364.30x = 468,716,294,361.52
  5. Step 5: Solve for x
    x = 468,716,294,361.52/1,086,364.30
  6. Step 6: Final answer
    x = 431,454.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.