Home / 885,791.60-1,328,687.40-839,135.60

Finding the Fourth Proportional to 885,791.60, 1,328,687.40 and 839,135.60

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Solution

The fourth proportional to 885,791.60, 1,328,687.40 and 839,135.60 is: 1,258,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,791.60 : 1,328,687.40 = 839,135.60 : x
  2. Step 2: Convert to fraction form
    885,791.60/1,328,687.40 = 839,135.60/x
  3. Step 3: Cross multiply
    885,791.60x = 1,328,687.40 × 839,135.60
  4. Step 4: Simplify right side
    885,791.60x = 1,114,948,898,611.44
  5. Step 5: Solve for x
    x = 1,114,948,898,611.44/885,791.60
  6. Step 6: Final answer
    x = 1,258,703.40

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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.