Home / 1,410,042.56-1,945,861.20-765,463.28

Finding the Fourth Proportional to 1,410,042.56, 1,945,861.20 and 765,463.28

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Solution

The fourth proportional to 1,410,042.56, 1,945,861.20 and 765,463.28 is: 1,056,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,042.56 : 1,945,861.20 = 765,463.28 : x
  2. Step 2: Convert to fraction form
    1,410,042.56/1,945,861.20 = 765,463.28/x
  3. Step 3: Cross multiply
    1,410,042.56x = 1,945,861.20 × 765,463.28
  4. Step 4: Simplify right side
    1,410,042.56x = 1,489,485,296,576.74
  5. Step 5: Solve for x
    x = 1,489,485,296,576.74/1,410,042.56
  6. Step 6: Final answer
    x = 1,056,340.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.