Home / 885,823.80-1,328,735.70-822,838.20

Finding the Fourth Proportional to 885,823.80, 1,328,735.70 and 822,838.20

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Solution

The fourth proportional to 885,823.80, 1,328,735.70 and 822,838.20 is: 1,234,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,823.80 : 1,328,735.70 = 822,838.20 : x
  2. Step 2: Convert to fraction form
    885,823.80/1,328,735.70 = 822,838.20/x
  3. Step 3: Cross multiply
    885,823.80x = 1,328,735.70 × 822,838.20
  4. Step 4: Simplify right side
    885,823.80x = 1,093,334,491,663.74
  5. Step 5: Solve for x
    x = 1,093,334,491,663.74/885,823.80
  6. Step 6: Final answer
    x = 1,234,257.30

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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.