Home / 1,780,798.50-2,666,766.44-1,245,814.56

Finding the Fourth Proportional to 1,780,798.50, 2,666,766.44 and 1,245,814.56

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Solution

The fourth proportional to 1,780,798.50, 2,666,766.44 and 1,245,814.56 is: 1,865,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,798.50 : 2,666,766.44 = 1,245,814.56 : x
  2. Step 2: Convert to fraction form
    1,780,798.50/2,666,766.44 = 1,245,814.56/x
  3. Step 3: Cross multiply
    1,780,798.50x = 2,666,766.44 × 1,245,814.56
  4. Step 4: Simplify right side
    1,780,798.50x = 3,322,296,462,185.90
  5. Step 5: Solve for x
    x = 3,322,296,462,185.90/1,780,798.50
  6. Step 6: Final answer
    x = 1,865,621.78

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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.