Home / 827,883.30-1,240,840.80-743,246.40

Finding the Fourth Proportional to 827,883.30, 1,240,840.80 and 743,246.40

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Solution

The fourth proportional to 827,883.30, 1,240,840.80 and 743,246.40 is: 1,113,986.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,883.30 : 1,240,840.80 = 743,246.40 : x
  2. Step 2: Convert to fraction form
    827,883.30/1,240,840.80 = 743,246.40/x
  3. Step 3: Cross multiply
    827,883.30x = 1,240,840.80 × 743,246.40
  4. Step 4: Simplify right side
    827,883.30x = 922,250,457,573.12
  5. Step 5: Solve for x
    x = 922,250,457,573.12/827,883.30
  6. Step 6: Final answer
    x = 1,113,986.06

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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.