Home / 1,389,942.19-2,085,068.85-443,093.23

Finding the Fourth Proportional to 1,389,942.19, 2,085,068.85 and 443,093.23

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Solution

The fourth proportional to 1,389,942.19, 2,085,068.85 and 443,093.23 is: 664,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,942.19 : 2,085,068.85 = 443,093.23 : x
  2. Step 2: Convert to fraction form
    1,389,942.19/2,085,068.85 = 443,093.23/x
  3. Step 3: Cross multiply
    1,389,942.19x = 2,085,068.85 × 443,093.23
  4. Step 4: Simplify right side
    1,389,942.19x = 923,879,891,518.89
  5. Step 5: Solve for x
    x = 923,879,891,518.89/1,389,942.19
  6. Step 6: Final answer
    x = 664,689.44

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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.