Home / 1,214,309.36-1,821,146.47-361,151.25

Finding the Fourth Proportional to 1,214,309.36, 1,821,146.47 and 361,151.25

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Solution

The fourth proportional to 1,214,309.36, 1,821,146.47 and 361,151.25 is: 541,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,309.36 : 1,821,146.47 = 361,151.25 : x
  2. Step 2: Convert to fraction form
    1,214,309.36/1,821,146.47 = 361,151.25/x
  3. Step 3: Cross multiply
    1,214,309.36x = 1,821,146.47 × 361,151.25
  4. Step 4: Simplify right side
    1,214,309.36x = 657,709,324,073.59
  5. Step 5: Solve for x
    x = 657,709,324,073.59/1,214,309.36
  6. Step 6: Final answer
    x = 541,632.43

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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.