Home / 1,747,835.96-2,621,896.20-485,663.72

Finding the Fourth Proportional to 1,747,835.96, 2,621,896.20 and 485,663.72

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Solution

The fourth proportional to 1,747,835.96, 2,621,896.20 and 485,663.72 is: 728,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,835.96 : 2,621,896.20 = 485,663.72 : x
  2. Step 2: Convert to fraction form
    1,747,835.96/2,621,896.20 = 485,663.72/x
  3. Step 3: Cross multiply
    1,747,835.96x = 2,621,896.20 × 485,663.72
  4. Step 4: Simplify right side
    1,747,835.96x = 1,273,359,861,945.86
  5. Step 5: Solve for x
    x = 1,273,359,861,945.86/1,747,835.96
  6. Step 6: Final answer
    x = 728,535.11

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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.