Home / 1,587,940.11-2,380,571.22-688,704.57

Finding the Fourth Proportional to 1,587,940.11, 2,380,571.22 and 688,704.57

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Solution

The fourth proportional to 1,587,940.11, 2,380,571.22 and 688,704.57 is: 1,032,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,940.11 : 2,380,571.22 = 688,704.57 : x
  2. Step 2: Convert to fraction form
    1,587,940.11/2,380,571.22 = 688,704.57/x
  3. Step 3: Cross multiply
    1,587,940.11x = 2,380,571.22 × 688,704.57
  4. Step 4: Simplify right side
    1,587,940.11x = 1,639,510,278,424.48
  5. Step 5: Solve for x
    x = 1,639,510,278,424.48/1,587,940.11
  6. Step 6: Final answer
    x = 1,032,476.14

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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.