Home / 1,231,724.40-1,846,204.20-521,631.60

Finding the Fourth Proportional to 1,231,724.40, 1,846,204.20 and 521,631.60

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Solution

The fourth proportional to 1,231,724.40, 1,846,204.20 and 521,631.60 is: 781,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,724.40 : 1,846,204.20 = 521,631.60 : x
  2. Step 2: Convert to fraction form
    1,231,724.40/1,846,204.20 = 521,631.60/x
  3. Step 3: Cross multiply
    1,231,724.40x = 1,846,204.20 × 521,631.60
  4. Step 4: Simplify right side
    1,231,724.40x = 963,038,450,772.72
  5. Step 5: Solve for x
    x = 963,038,450,772.72/1,231,724.40
  6. Step 6: Final answer
    x = 781,861.96

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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.