Home / 838,221.21-1,262,932.44-758,360.51

Finding the Fourth Proportional to 838,221.21, 1,262,932.44 and 758,360.51

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Solution

The fourth proportional to 838,221.21, 1,262,932.44 and 758,360.51 is: 1,142,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,221.21 : 1,262,932.44 = 758,360.51 : x
  2. Step 2: Convert to fraction form
    838,221.21/1,262,932.44 = 758,360.51/x
  3. Step 3: Cross multiply
    838,221.21x = 1,262,932.44 × 758,360.51
  4. Step 4: Simplify right side
    838,221.21x = 957,758,082,979.28
  5. Step 5: Solve for x
    x = 957,758,082,979.28/838,221.21
  6. Step 6: Final answer
    x = 1,142,607.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.