Home / 887,940.80-1,333,336.80-822,449.60

Finding the Fourth Proportional to 887,940.80, 1,333,336.80 and 822,449.60

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Solution

The fourth proportional to 887,940.80, 1,333,336.80 and 822,449.60 is: 1,234,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,940.80 : 1,333,336.80 = 822,449.60 : x
  2. Step 2: Convert to fraction form
    887,940.80/1,333,336.80 = 822,449.60/x
  3. Step 3: Cross multiply
    887,940.80x = 1,333,336.80 × 822,449.60
  4. Step 4: Simplify right side
    887,940.80x = 1,096,602,317,825.28
  5. Step 5: Solve for x
    x = 1,096,602,317,825.28/887,940.80
  6. Step 6: Final answer
    x = 1,234,994.85

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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.