Home / 1,389,941.19-2,085,067.35-443,092.23

Finding the Fourth Proportional to 1,389,941.19, 2,085,067.35 and 443,092.23

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Solution

The fourth proportional to 1,389,941.19, 2,085,067.35 and 443,092.23 is: 664,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,941.19 : 2,085,067.35 = 443,092.23 : x
  2. Step 2: Convert to fraction form
    1,389,941.19/2,085,067.35 = 443,092.23/x
  3. Step 3: Cross multiply
    1,389,941.19x = 2,085,067.35 × 443,092.23
  4. Step 4: Simplify right side
    1,389,941.19x = 923,877,141,811.69
  5. Step 5: Solve for x
    x = 923,877,141,811.69/1,389,941.19
  6. Step 6: Final answer
    x = 664,687.94

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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.