Home / 827,226.40-1,240,839.60-743,245.60

Finding the Fourth Proportional to 827,226.40, 1,240,839.60 and 743,245.60

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Solution

The fourth proportional to 827,226.40, 1,240,839.60 and 743,245.60 is: 1,114,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,226.40 : 1,240,839.60 = 743,245.60 : x
  2. Step 2: Convert to fraction form
    827,226.40/1,240,839.60 = 743,245.60/x
  3. Step 3: Cross multiply
    827,226.40x = 1,240,839.60 × 743,245.60
  4. Step 4: Simplify right side
    827,226.40x = 922,248,573,005.76
  5. Step 5: Solve for x
    x = 922,248,573,005.76/827,226.40
  6. Step 6: Final answer
    x = 1,114,868.40

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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.