Home / 1,003,190.24-1,375,890.43-961,992.82

Finding the Fourth Proportional to 1,003,190.24, 1,375,890.43 and 961,992.82

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Solution

The fourth proportional to 1,003,190.24, 1,375,890.43 and 961,992.82 is: 1,319,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,190.24 : 1,375,890.43 = 961,992.82 : x
  2. Step 2: Convert to fraction form
    1,003,190.24/1,375,890.43 = 961,992.82/x
  3. Step 3: Cross multiply
    1,003,190.24x = 1,375,890.43 × 961,992.82
  4. Step 4: Simplify right side
    1,003,190.24x = 1,323,596,707,887.26
  5. Step 5: Solve for x
    x = 1,323,596,707,887.26/1,003,190.24
  6. Step 6: Final answer
    x = 1,319,387.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.