Home / 1,295,275.20-1,942,912.80-1,245,508.80

Finding the Fourth Proportional to 1,295,275.20, 1,942,912.80 and 1,245,508.80

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Solution

The fourth proportional to 1,295,275.20, 1,942,912.80 and 1,245,508.80 is: 1,868,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,275.20 : 1,942,912.80 = 1,245,508.80 : x
  2. Step 2: Convert to fraction form
    1,295,275.20/1,942,912.80 = 1,245,508.80/x
  3. Step 3: Cross multiply
    1,295,275.20x = 1,942,912.80 × 1,245,508.80
  4. Step 4: Simplify right side
    1,295,275.20x = 2,419,914,990,032.64
  5. Step 5: Solve for x
    x = 2,419,914,990,032.64/1,295,275.20
  6. Step 6: Final answer
    x = 1,868,263.20

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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.