Home / 1,415,172.57-1,952,961.48-770,605.35

Finding the Fourth Proportional to 1,415,172.57, 1,952,961.48 and 770,605.35

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Solution

The fourth proportional to 1,415,172.57, 1,952,961.48 and 770,605.35 is: 1,063,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,172.57 : 1,952,961.48 = 770,605.35 : x
  2. Step 2: Convert to fraction form
    1,415,172.57/1,952,961.48 = 770,605.35/x
  3. Step 3: Cross multiply
    1,415,172.57x = 1,952,961.48 × 770,605.35
  4. Step 4: Simplify right side
    1,415,172.57x = 1,504,962,568,493.72
  5. Step 5: Solve for x
    x = 1,504,962,568,493.72/1,415,172.57
  6. Step 6: Final answer
    x = 1,063,448.09

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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.