Home / 1,253,906.57-1,880,267.03-485,764.06

Finding the Fourth Proportional to 1,253,906.57, 1,880,267.03 and 485,764.06

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Solution

The fourth proportional to 1,253,906.57, 1,880,267.03 and 485,764.06 is: 728,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,906.57 : 1,880,267.03 = 485,764.06 : x
  2. Step 2: Convert to fraction form
    1,253,906.57/1,880,267.03 = 485,764.06/x
  3. Step 3: Cross multiply
    1,253,906.57x = 1,880,267.03 × 485,764.06
  4. Step 4: Simplify right side
    1,253,906.57x = 913,366,146,376.94
  5. Step 5: Solve for x
    x = 913,366,146,376.94/1,253,906.57
  6. Step 6: Final answer
    x = 728,416.43

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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.