Home / 885,791.80-1,327,305.30-766,905.40

Finding the Fourth Proportional to 885,791.80, 1,327,305.30 and 766,905.40

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Solution

The fourth proportional to 885,791.80, 1,327,305.30 and 766,905.40 is: 1,149,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,791.80 : 1,327,305.30 = 766,905.40 : x
  2. Step 2: Convert to fraction form
    885,791.80/1,327,305.30 = 766,905.40/x
  3. Step 3: Cross multiply
    885,791.80x = 1,327,305.30 × 766,905.40
  4. Step 4: Simplify right side
    885,791.80x = 1,017,917,602,018.62
  5. Step 5: Solve for x
    x = 1,017,917,602,018.62/885,791.80
  6. Step 6: Final answer
    x = 1,149,161.24

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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.