Home / 1,100,986.42-1,651,083.33-381,132.58

Finding the Fourth Proportional to 1,100,986.42, 1,651,083.33 and 381,132.58

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Solution

The fourth proportional to 1,100,986.42, 1,651,083.33 and 381,132.58 is: 571,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,986.42 : 1,651,083.33 = 381,132.58 : x
  2. Step 2: Convert to fraction form
    1,100,986.42/1,651,083.33 = 381,132.58/x
  3. Step 3: Cross multiply
    1,100,986.42x = 1,651,083.33 × 381,132.58
  4. Step 4: Simplify right side
    1,100,986.42x = 629,281,649,357.89
  5. Step 5: Solve for x
    x = 629,281,649,357.89/1,100,986.42
  6. Step 6: Final answer
    x = 571,561.68

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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.