Home / 1,415,129.82-1,952,870.82-770,548.47

Finding the Fourth Proportional to 1,415,129.82, 1,952,870.82 and 770,548.47

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Solution

The fourth proportional to 1,415,129.82, 1,952,870.82 and 770,548.47 is: 1,063,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,129.82 : 1,952,870.82 = 770,548.47 : x
  2. Step 2: Convert to fraction form
    1,415,129.82/1,952,870.82 = 770,548.47/x
  3. Step 3: Cross multiply
    1,415,129.82x = 1,952,870.82 × 770,548.47
  4. Step 4: Simplify right side
    1,415,129.82x = 1,504,781,622,458.65
  5. Step 5: Solve for x
    x = 1,504,781,622,458.65/1,415,129.82
  6. Step 6: Final answer
    x = 1,063,352.35

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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.