Home / 1,243,833.82-1,865,744.37-485,752.27

Finding the Fourth Proportional to 1,243,833.82, 1,865,744.37 and 485,752.27

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Solution

The fourth proportional to 1,243,833.82, 1,865,744.37 and 485,752.27 is: 728,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,833.82 : 1,865,744.37 = 485,752.27 : x
  2. Step 2: Convert to fraction form
    1,243,833.82/1,865,744.37 = 485,752.27/x
  3. Step 3: Cross multiply
    1,243,833.82x = 1,865,744.37 × 485,752.27
  4. Step 4: Simplify right side
    1,243,833.82x = 906,289,562,967.22
  5. Step 5: Solve for x
    x = 906,289,562,967.22/1,243,833.82
  6. Step 6: Final answer
    x = 728,625.92

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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.