Home / 1,681,406.87-2,522,093.68-770,330.90

Finding the Fourth Proportional to 1,681,406.87, 2,522,093.68 and 770,330.90

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Solution

The fourth proportional to 1,681,406.87, 2,522,093.68 and 770,330.90 is: 1,155,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,406.87 : 2,522,093.68 = 770,330.90 : x
  2. Step 2: Convert to fraction form
    1,681,406.87/2,522,093.68 = 770,330.90/x
  3. Step 3: Cross multiply
    1,681,406.87x = 2,522,093.68 × 770,330.90
  4. Step 4: Simplify right side
    1,681,406.87x = 1,942,846,685,313.53
  5. Step 5: Solve for x
    x = 1,942,846,685,313.53/1,681,406.87
  6. Step 6: Final answer
    x = 1,155,488.73

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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.