Home / 1,197,235.20-1,796,102.40-398,764.80

Finding the Fourth Proportional to 1,197,235.20, 1,796,102.40 and 398,764.80

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Solution

The fourth proportional to 1,197,235.20, 1,796,102.40 and 398,764.80 is: 598,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,235.20 : 1,796,102.40 = 398,764.80 : x
  2. Step 2: Convert to fraction form
    1,197,235.20/1,796,102.40 = 398,764.80/x
  3. Step 3: Cross multiply
    1,197,235.20x = 1,796,102.40 × 398,764.80
  4. Step 4: Simplify right side
    1,197,235.20x = 716,222,414,315.52
  5. Step 5: Solve for x
    x = 716,222,414,315.52/1,197,235.20
  6. Step 6: Final answer
    x = 598,230.33

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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.