Home / 860,410.80-1,290,616.20-827,751.60

Finding the Fourth Proportional to 860,410.80, 1,290,616.20 and 827,751.60

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Solution

The fourth proportional to 860,410.80, 1,290,616.20 and 827,751.60 is: 1,241,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,410.80 : 1,290,616.20 = 827,751.60 : x
  2. Step 2: Convert to fraction form
    860,410.80/1,290,616.20 = 827,751.60/x
  3. Step 3: Cross multiply
    860,410.80x = 1,290,616.20 × 827,751.60
  4. Step 4: Simplify right side
    860,410.80x = 1,068,309,624,535.92
  5. Step 5: Solve for x
    x = 1,068,309,624,535.92/860,410.80
  6. Step 6: Final answer
    x = 1,241,627.40

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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.