Home / 987,741.20-1,481,611.80-683,310.80

Finding the Fourth Proportional to 987,741.20, 1,481,611.80 and 683,310.80

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Solution

The fourth proportional to 987,741.20, 1,481,611.80 and 683,310.80 is: 1,024,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,741.20 : 1,481,611.80 = 683,310.80 : x
  2. Step 2: Convert to fraction form
    987,741.20/1,481,611.80 = 683,310.80/x
  3. Step 3: Cross multiply
    987,741.20x = 1,481,611.80 × 683,310.80
  4. Step 4: Simplify right side
    987,741.20x = 1,012,401,344,347.44
  5. Step 5: Solve for x
    x = 1,012,401,344,347.44/987,741.20
  6. Step 6: Final answer
    x = 1,024,966.20

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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.