Home / 1,307,818.89-1,960,669.58-408,797.73

Finding the Fourth Proportional to 1,307,818.89, 1,960,669.58 and 408,797.73

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Solution

The fourth proportional to 1,307,818.89, 1,960,669.58 and 408,797.73 is: 612,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,818.89 : 1,960,669.58 = 408,797.73 : x
  2. Step 2: Convert to fraction form
    1,307,818.89/1,960,669.58 = 408,797.73/x
  3. Step 3: Cross multiply
    1,307,818.89x = 1,960,669.58 × 408,797.73
  4. Step 4: Simplify right side
    1,307,818.89x = 801,517,271,540.07
  5. Step 5: Solve for x
    x = 801,517,271,540.07/1,307,818.89
  6. Step 6: Final answer
    x = 612,865.65

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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.