Home / 1,560,312.80-2,340,469.20-1,324,116.80

Finding the Fourth Proportional to 1,560,312.80, 2,340,469.20 and 1,324,116.80

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Solution

The fourth proportional to 1,560,312.80, 2,340,469.20 and 1,324,116.80 is: 1,986,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,312.80 : 2,340,469.20 = 1,324,116.80 : x
  2. Step 2: Convert to fraction form
    1,560,312.80/2,340,469.20 = 1,324,116.80/x
  3. Step 3: Cross multiply
    1,560,312.80x = 2,340,469.20 × 1,324,116.80
  4. Step 4: Simplify right side
    1,560,312.80x = 3,099,054,587,602.56
  5. Step 5: Solve for x
    x = 3,099,054,587,602.56/1,560,312.80
  6. Step 6: Final answer
    x = 1,986,175.20

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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.