Home / 885,912.80-1,328,869.20-850,920.80

Finding the Fourth Proportional to 885,912.80, 1,328,869.20 and 850,920.80

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Solution

The fourth proportional to 885,912.80, 1,328,869.20 and 850,920.80 is: 1,276,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,912.80 : 1,328,869.20 = 850,920.80 : x
  2. Step 2: Convert to fraction form
    885,912.80/1,328,869.20 = 850,920.80/x
  3. Step 3: Cross multiply
    885,912.80x = 1,328,869.20 × 850,920.80
  4. Step 4: Simplify right side
    885,912.80x = 1,130,762,442,759.36
  5. Step 5: Solve for x
    x = 1,130,762,442,759.36/885,912.80
  6. Step 6: Final answer
    x = 1,276,381.20

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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.