Home / 1,282,790.46-1,923,616.89-683,639.94

Finding the Fourth Proportional to 1,282,790.46, 1,923,616.89 and 683,639.94

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Solution

The fourth proportional to 1,282,790.46, 1,923,616.89 and 683,639.94 is: 1,025,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,790.46 : 1,923,616.89 = 683,639.94 : x
  2. Step 2: Convert to fraction form
    1,282,790.46/1,923,616.89 = 683,639.94/x
  3. Step 3: Cross multiply
    1,282,790.46x = 1,923,616.89 × 683,639.94
  4. Step 4: Simplify right side
    1,282,790.46x = 1,315,061,335,262.59
  5. Step 5: Solve for x
    x = 1,315,061,335,262.59/1,282,790.46
  6. Step 6: Final answer
    x = 1,025,156.78

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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.