Home / 1,212,903.18-1,818,821.93-454,212.54

Finding the Fourth Proportional to 1,212,903.18, 1,818,821.93 and 454,212.54

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Solution

The fourth proportional to 1,212,903.18, 1,818,821.93 and 454,212.54 is: 681,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,903.18 : 1,818,821.93 = 454,212.54 : x
  2. Step 2: Convert to fraction form
    1,212,903.18/1,818,821.93 = 454,212.54/x
  3. Step 3: Cross multiply
    1,212,903.18x = 1,818,821.93 × 454,212.54
  4. Step 4: Simplify right side
    1,212,903.18x = 826,131,726,361.94
  5. Step 5: Solve for x
    x = 826,131,726,361.94/1,212,903.18
  6. Step 6: Final answer
    x = 681,119.27

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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.