Home / 1,198,664.19-1,797,989.81-488,689.47

Finding the Fourth Proportional to 1,198,664.19, 1,797,989.81 and 488,689.47

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Solution

The fourth proportional to 1,198,664.19, 1,797,989.81 and 488,689.47 is: 733,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,664.19 : 1,797,989.81 = 488,689.47 : x
  2. Step 2: Convert to fraction form
    1,198,664.19/1,797,989.81 = 488,689.47/x
  3. Step 3: Cross multiply
    1,198,664.19x = 1,797,989.81 × 488,689.47
  4. Step 4: Simplify right side
    1,198,664.19x = 878,658,684,870.85
  5. Step 5: Solve for x
    x = 878,658,684,870.85/1,198,664.19
  6. Step 6: Final answer
    x = 733,031.56

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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.