Home / 1,518,745.70-2,278,145.55-453,800.90

Finding the Fourth Proportional to 1,518,745.70, 2,278,145.55 and 453,800.90

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Solution

The fourth proportional to 1,518,745.70, 2,278,145.55 and 453,800.90 is: 680,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,745.70 : 2,278,145.55 = 453,800.90 : x
  2. Step 2: Convert to fraction form
    1,518,745.70/2,278,145.55 = 453,800.90/x
  3. Step 3: Cross multiply
    1,518,745.70x = 2,278,145.55 × 453,800.90
  4. Step 4: Simplify right side
    1,518,745.70x = 1,033,824,500,921.00
  5. Step 5: Solve for x
    x = 1,033,824,500,921.00/1,518,745.70
  6. Step 6: Final answer
    x = 680,709.42

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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.