Home / 1,326,989.52-1,990,485.66-329,717.52

Finding the Fourth Proportional to 1,326,989.52, 1,990,485.66 and 329,717.52

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Solution

The fourth proportional to 1,326,989.52, 1,990,485.66 and 329,717.52 is: 494,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,989.52 : 1,990,485.66 = 329,717.52 : x
  2. Step 2: Convert to fraction form
    1,326,989.52/1,990,485.66 = 329,717.52/x
  3. Step 3: Cross multiply
    1,326,989.52x = 1,990,485.66 × 329,717.52
  4. Step 4: Simplify right side
    1,326,989.52x = 656,297,995,410.76
  5. Step 5: Solve for x
    x = 656,297,995,410.76/1,326,989.52
  6. Step 6: Final answer
    x = 494,576.62

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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.