Home / 1,126,418.46-1,689,626.25-452,499.72

Finding the Fourth Proportional to 1,126,418.46, 1,689,626.25 and 452,499.72

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Solution

The fourth proportional to 1,126,418.46, 1,689,626.25 and 452,499.72 is: 678,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,418.46 : 1,689,626.25 = 452,499.72 : x
  2. Step 2: Convert to fraction form
    1,126,418.46/1,689,626.25 = 452,499.72/x
  3. Step 3: Cross multiply
    1,126,418.46x = 1,689,626.25 × 452,499.72
  4. Step 4: Simplify right side
    1,126,418.46x = 764,555,405,029.65
  5. Step 5: Solve for x
    x = 764,555,405,029.65/1,126,418.46
  6. Step 6: Final answer
    x = 678,749.00

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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.