Home / 821,262.78-1,125,110.93-790,560.41

Finding the Fourth Proportional to 821,262.78, 1,125,110.93 and 790,560.41

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Solution

The fourth proportional to 821,262.78, 1,125,110.93 and 790,560.41 is: 1,083,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,262.78 : 1,125,110.93 = 790,560.41 : x
  2. Step 2: Convert to fraction form
    821,262.78/1,125,110.93 = 790,560.41/x
  3. Step 3: Cross multiply
    821,262.78x = 1,125,110.93 × 790,560.41
  4. Step 4: Simplify right side
    821,262.78x = 889,468,148,537.93
  5. Step 5: Solve for x
    x = 889,468,148,537.93/821,262.78
  6. Step 6: Final answer
    x = 1,083,049.38

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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.