Home / 827,884.30-1,240,842.30-743,247.40

Finding the Fourth Proportional to 827,884.30, 1,240,842.30 and 743,247.40

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Solution

The fourth proportional to 827,884.30, 1,240,842.30 and 743,247.40 is: 1,113,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,884.30 : 1,240,842.30 = 743,247.40 : x
  2. Step 2: Convert to fraction form
    827,884.30/1,240,842.30 = 743,247.40/x
  3. Step 3: Cross multiply
    827,884.30x = 1,240,842.30 × 743,247.40
  4. Step 4: Simplify right side
    827,884.30x = 922,252,813,285.02
  5. Step 5: Solve for x
    x = 922,252,813,285.02/827,884.30
  6. Step 6: Final answer
    x = 1,113,987.56

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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.