Home / 1,392,476.80-2,085,604.80-1,143,644.80

Finding the Fourth Proportional to 1,392,476.80, 2,085,604.80 and 1,143,644.80

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Solution

The fourth proportional to 1,392,476.80, 2,085,604.80 and 1,143,644.80 is: 1,712,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,476.80 : 2,085,604.80 = 1,143,644.80 : x
  2. Step 2: Convert to fraction form
    1,392,476.80/2,085,604.80 = 1,143,644.80/x
  3. Step 3: Cross multiply
    1,392,476.80x = 2,085,604.80 × 1,143,644.80
  4. Step 4: Simplify right side
    1,392,476.80x = 2,385,191,084,375.04
  5. Step 5: Solve for x
    x = 2,385,191,084,375.04/1,392,476.80
  6. Step 6: Final answer
    x = 1,712,912.62

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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.