Home / 1,324,513.01-1,986,582.92-425,840.54

Finding the Fourth Proportional to 1,324,513.01, 1,986,582.92 and 425,840.54

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Solution

The fourth proportional to 1,324,513.01, 1,986,582.92 and 425,840.54 is: 638,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,513.01 : 1,986,582.92 = 425,840.54 : x
  2. Step 2: Convert to fraction form
    1,324,513.01/1,986,582.92 = 425,840.54/x
  3. Step 3: Cross multiply
    1,324,513.01x = 1,986,582.92 × 425,840.54
  4. Step 4: Simplify right side
    1,324,513.01x = 845,967,542,519.99
  5. Step 5: Solve for x
    x = 845,967,542,519.99/1,324,513.01
  6. Step 6: Final answer
    x = 638,700.82

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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.