Home / 1,205,940.40-1,806,286.20-731,798.80

Finding the Fourth Proportional to 1,205,940.40, 1,806,286.20 and 731,798.80

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Solution

The fourth proportional to 1,205,940.40, 1,806,286.20 and 731,798.80 is: 1,096,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,940.40 : 1,806,286.20 = 731,798.80 : x
  2. Step 2: Convert to fraction form
    1,205,940.40/1,806,286.20 = 731,798.80/x
  3. Step 3: Cross multiply
    1,205,940.40x = 1,806,286.20 × 731,798.80
  4. Step 4: Simplify right side
    1,205,940.40x = 1,321,838,073,616.56
  5. Step 5: Solve for x
    x = 1,321,838,073,616.56/1,205,940.40
  6. Step 6: Final answer
    x = 1,096,105.64

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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.