Home / 1,105,611.52-1,525,821.36-622,223.20

Finding the Fourth Proportional to 1,105,611.52, 1,525,821.36 and 622,223.20

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Solution

The fourth proportional to 1,105,611.52, 1,525,821.36 and 622,223.20 is: 858,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,611.52 : 1,525,821.36 = 622,223.20 : x
  2. Step 2: Convert to fraction form
    1,105,611.52/1,525,821.36 = 622,223.20/x
  3. Step 3: Cross multiply
    1,105,611.52x = 1,525,821.36 × 622,223.20
  4. Step 4: Simplify right side
    1,105,611.52x = 949,401,449,247.55
  5. Step 5: Solve for x
    x = 949,401,449,247.55/1,105,611.52
  6. Step 6: Final answer
    x = 858,711.61

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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.