Home / 1,429,469.82-1,972,523.07-856,495.26

Finding the Fourth Proportional to 1,429,469.82, 1,972,523.07 and 856,495.26

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Solution

The fourth proportional to 1,429,469.82, 1,972,523.07 and 856,495.26 is: 1,181,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,469.82 : 1,972,523.07 = 856,495.26 : x
  2. Step 2: Convert to fraction form
    1,429,469.82/1,972,523.07 = 856,495.26/x
  3. Step 3: Cross multiply
    1,429,469.82x = 1,972,523.07 × 856,495.26
  4. Step 4: Simplify right side
    1,429,469.82x = 1,689,456,659,695.65
  5. Step 5: Solve for x
    x = 1,689,456,659,695.65/1,429,469.82
  6. Step 6: Final answer
    x = 1,181,876.41

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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.