Home / 1,215,684.02-1,821,896.03-946,137.64

Finding the Fourth Proportional to 1,215,684.02, 1,821,896.03 and 946,137.64

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Solution

The fourth proportional to 1,215,684.02, 1,821,896.03 and 946,137.64 is: 1,417,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,684.02 : 1,821,896.03 = 946,137.64 : x
  2. Step 2: Convert to fraction form
    1,215,684.02/1,821,896.03 = 946,137.64/x
  3. Step 3: Cross multiply
    1,215,684.02x = 1,821,896.03 × 946,137.64
  4. Step 4: Simplify right side
    1,215,684.02x = 1,723,764,405,418.88
  5. Step 5: Solve for x
    x = 1,723,764,405,418.88/1,215,684.02
  6. Step 6: Final answer
    x = 1,417,937.87

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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.