Home / 885,352.09-1,328,023.22-765,043.21

Finding the Fourth Proportional to 885,352.09, 1,328,023.22 and 765,043.21

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Solution

The fourth proportional to 885,352.09, 1,328,023.22 and 765,043.21 is: 1,147,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,352.09 : 1,328,023.22 = 765,043.21 : x
  2. Step 2: Convert to fraction form
    885,352.09/1,328,023.22 = 765,043.21/x
  3. Step 3: Cross multiply
    885,352.09x = 1,328,023.22 × 765,043.21
  4. Step 4: Simplify right side
    885,352.09x = 1,015,995,145,018.15
  5. Step 5: Solve for x
    x = 1,015,995,145,018.15/885,352.09
  6. Step 6: Final answer
    x = 1,147,560.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.