Home / 860,833.60-1,291,250.40-822,126.40

Finding the Fourth Proportional to 860,833.60, 1,291,250.40 and 822,126.40

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Solution

The fourth proportional to 860,833.60, 1,291,250.40 and 822,126.40 is: 1,233,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,833.60 : 1,291,250.40 = 822,126.40 : x
  2. Step 2: Convert to fraction form
    860,833.60/1,291,250.40 = 822,126.40/x
  3. Step 3: Cross multiply
    860,833.60x = 1,291,250.40 × 822,126.40
  4. Step 4: Simplify right side
    860,833.60x = 1,061,571,042,850.56
  5. Step 5: Solve for x
    x = 1,061,571,042,850.56/860,833.60
  6. Step 6: Final answer
    x = 1,233,189.60

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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.