Home / 1,687,772.80-2,329,190.52-962,738.56

Finding the Fourth Proportional to 1,687,772.80, 2,329,190.52 and 962,738.56

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Solution

The fourth proportional to 1,687,772.80, 2,329,190.52 and 962,738.56 is: 1,328,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,772.80 : 2,329,190.52 = 962,738.56 : x
  2. Step 2: Convert to fraction form
    1,687,772.80/2,329,190.52 = 962,738.56/x
  3. Step 3: Cross multiply
    1,687,772.80x = 2,329,190.52 × 962,738.56
  4. Step 4: Simplify right side
    1,687,772.80x = 2,242,401,527,190.45
  5. Step 5: Solve for x
    x = 2,242,401,527,190.45/1,687,772.80
  6. Step 6: Final answer
    x = 1,328,615.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.