Home / 1,525,350.87-2,288,777.18-1,078,940.43

Finding the Fourth Proportional to 1,525,350.87, 2,288,777.18 and 1,078,940.43

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Solution

The fourth proportional to 1,525,350.87, 2,288,777.18 and 1,078,940.43 is: 1,618,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,350.87 : 2,288,777.18 = 1,078,940.43 : x
  2. Step 2: Convert to fraction form
    1,525,350.87/2,288,777.18 = 1,078,940.43/x
  3. Step 3: Cross multiply
    1,525,350.87x = 2,288,777.18 × 1,078,940.43
  4. Step 4: Simplify right side
    1,525,350.87x = 2,469,454,229,368.69
  5. Step 5: Solve for x
    x = 2,469,454,229,368.69/1,525,350.87
  6. Step 6: Final answer
    x = 1,618,941.76

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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.