Home / 1,131,163.02-1,561,039.83-647,884.62

Finding the Fourth Proportional to 1,131,163.02, 1,561,039.83 and 647,884.62

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Solution

The fourth proportional to 1,131,163.02, 1,561,039.83 and 647,884.62 is: 894,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,163.02 : 1,561,039.83 = 647,884.62 : x
  2. Step 2: Convert to fraction form
    1,131,163.02/1,561,039.83 = 647,884.62/x
  3. Step 3: Cross multiply
    1,131,163.02x = 1,561,039.83 × 647,884.62
  4. Step 4: Simplify right side
    1,131,163.02x = 1,011,373,697,064.41
  5. Step 5: Solve for x
    x = 1,011,373,697,064.41/1,131,163.02
  6. Step 6: Final answer
    x = 894,100.74

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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.