Home / 1,206,021.40-1,806,407.70-731,879.80

Finding the Fourth Proportional to 1,206,021.40, 1,806,407.70 and 731,879.80

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Solution

The fourth proportional to 1,206,021.40, 1,806,407.70 and 731,879.80 is: 1,096,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,021.40 : 1,806,407.70 = 731,879.80 : x
  2. Step 2: Convert to fraction form
    1,206,021.40/1,806,407.70 = 731,879.80/x
  3. Step 3: Cross multiply
    1,206,021.40x = 1,806,407.70 × 731,879.80
  4. Step 4: Simplify right side
    1,206,021.40x = 1,322,073,306,194.46
  5. Step 5: Solve for x
    x = 1,322,073,306,194.46/1,206,021.40
  6. Step 6: Final answer
    x = 1,096,227.07

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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.