Home / 1,415,022.20-1,952,765.62-770,477.66

Finding the Fourth Proportional to 1,415,022.20, 1,952,765.62 and 770,477.66

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Solution

The fourth proportional to 1,415,022.20, 1,952,765.62 and 770,477.66 is: 1,063,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,022.20 : 1,952,765.62 = 770,477.66 : x
  2. Step 2: Convert to fraction form
    1,415,022.20/1,952,765.62 = 770,477.66/x
  3. Step 3: Cross multiply
    1,415,022.20x = 1,952,765.62 × 770,477.66
  4. Step 4: Simplify right side
    1,415,022.20x = 1,504,562,273,736.03
  5. Step 5: Solve for x
    x = 1,504,562,273,736.03/1,415,022.20
  6. Step 6: Final answer
    x = 1,063,278.22

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Why These Related Problems?

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