Home / 1,197,237.20-1,796,105.40-398,766.80

Finding the Fourth Proportional to 1,197,237.20, 1,796,105.40 and 398,766.80

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Solution

The fourth proportional to 1,197,237.20, 1,796,105.40 and 398,766.80 is: 598,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,237.20 : 1,796,105.40 = 398,766.80 : x
  2. Step 2: Convert to fraction form
    1,197,237.20/1,796,105.40 = 398,766.80/x
  3. Step 3: Cross multiply
    1,197,237.20x = 1,796,105.40 × 398,766.80
  4. Step 4: Simplify right side
    1,197,237.20x = 716,227,202,820.72
  5. Step 5: Solve for x
    x = 716,227,202,820.72/1,197,237.20
  6. Step 6: Final answer
    x = 598,233.33

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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.