Home / 1,747,686.38-2,621,562.37-485,546.81

Finding the Fourth Proportional to 1,747,686.38, 2,621,562.37 and 485,546.81

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Solution

The fourth proportional to 1,747,686.38, 2,621,562.37 and 485,546.81 is: 728,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,686.38 : 2,621,562.37 = 485,546.81 : x
  2. Step 2: Convert to fraction form
    1,747,686.38/2,621,562.37 = 485,546.81/x
  3. Step 3: Cross multiply
    1,747,686.38x = 2,621,562.37 × 485,546.81
  4. Step 4: Simplify right side
    1,747,686.38x = 1,272,891,231,647.86
  5. Step 5: Solve for x
    x = 1,272,891,231,647.86/1,747,686.38
  6. Step 6: Final answer
    x = 728,329.32

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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.