Home / 887,972.80-1,333,384.80-822,481.60

Finding the Fourth Proportional to 887,972.80, 1,333,384.80 and 822,481.60

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Solution

The fourth proportional to 887,972.80, 1,333,384.80 and 822,481.60 is: 1,235,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,972.80 : 1,333,384.80 = 822,481.60 : x
  2. Step 2: Convert to fraction form
    887,972.80/1,333,384.80 = 822,481.60/x
  3. Step 3: Cross multiply
    887,972.80x = 1,333,384.80 × 822,481.60
  4. Step 4: Simplify right side
    887,972.80x = 1,096,684,463,719.68
  5. Step 5: Solve for x
    x = 1,096,684,463,719.68/887,972.80
  6. Step 6: Final answer
    x = 1,235,042.86

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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.