Home / 1,011,015.10-1,515,443.64-504,578.80

Finding the Fourth Proportional to 1,011,015.10, 1,515,443.64 and 504,578.80

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Solution

The fourth proportional to 1,011,015.10, 1,515,443.64 and 504,578.80 is: 756,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,015.10 : 1,515,443.64 = 504,578.80 : x
  2. Step 2: Convert to fraction form
    1,011,015.10/1,515,443.64 = 504,578.80/x
  3. Step 3: Cross multiply
    1,011,015.10x = 1,515,443.64 × 504,578.80
  4. Step 4: Simplify right side
    1,011,015.10x = 764,660,733,338.83
  5. Step 5: Solve for x
    x = 764,660,733,338.83/1,011,015.10
  6. Step 6: Final answer
    x = 756,329.69

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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.