Home / 890,611.60-1,335,917.40-822,182.80

Finding the Fourth Proportional to 890,611.60, 1,335,917.40 and 822,182.80

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Solution

The fourth proportional to 890,611.60, 1,335,917.40 and 822,182.80 is: 1,233,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,611.60 : 1,335,917.40 = 822,182.80 : x
  2. Step 2: Convert to fraction form
    890,611.60/1,335,917.40 = 822,182.80/x
  3. Step 3: Cross multiply
    890,611.60x = 1,335,917.40 × 822,182.80
  4. Step 4: Simplify right side
    890,611.60x = 1,098,368,308,500.72
  5. Step 5: Solve for x
    x = 1,098,368,308,500.72/890,611.60
  6. Step 6: Final answer
    x = 1,233,274.20

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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.