Home / 1,392,106.80-2,085,049.80-1,143,274.80

Finding the Fourth Proportional to 1,392,106.80, 2,085,049.80 and 1,143,274.80

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Solution

The fourth proportional to 1,392,106.80, 2,085,049.80 and 1,143,274.80 is: 1,712,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,106.80 : 2,085,049.80 = 1,143,274.80 : x
  2. Step 2: Convert to fraction form
    1,392,106.80/2,085,049.80 = 1,143,274.80/x
  3. Step 3: Cross multiply
    1,392,106.80x = 2,085,049.80 × 1,143,274.80
  4. Step 4: Simplify right side
    1,392,106.80x = 2,383,784,893,085.04
  5. Step 5: Solve for x
    x = 2,383,784,893,085.04/1,392,106.80
  6. Step 6: Final answer
    x = 1,712,357.77

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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.