Home / 1,382,464.62-1,907,612.87-770,544.77

Finding the Fourth Proportional to 1,382,464.62, 1,907,612.87 and 770,544.77

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Solution

The fourth proportional to 1,382,464.62, 1,907,612.87 and 770,544.77 is: 1,063,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,464.62 : 1,907,612.87 = 770,544.77 : x
  2. Step 2: Convert to fraction form
    1,382,464.62/1,907,612.87 = 770,544.77/x
  3. Step 3: Cross multiply
    1,382,464.62x = 1,907,612.87 × 770,544.77
  4. Step 4: Simplify right side
    1,382,464.62x = 1,469,901,106,772.40
  5. Step 5: Solve for x
    x = 1,469,901,106,772.40/1,382,464.62
  6. Step 6: Final answer
    x = 1,063,246.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.