Home / 1,085,627.80-1,628,441.70-749,704.60

Finding the Fourth Proportional to 1,085,627.80, 1,628,441.70 and 749,704.60

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Solution

The fourth proportional to 1,085,627.80, 1,628,441.70 and 749,704.60 is: 1,124,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,627.80 : 1,628,441.70 = 749,704.60 : x
  2. Step 2: Convert to fraction form
    1,085,627.80/1,628,441.70 = 749,704.60/x
  3. Step 3: Cross multiply
    1,085,627.80x = 1,628,441.70 × 749,704.60
  4. Step 4: Simplify right side
    1,085,627.80x = 1,220,850,233,321.82
  5. Step 5: Solve for x
    x = 1,220,850,233,321.82/1,085,627.80
  6. Step 6: Final answer
    x = 1,124,556.90

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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.