Home / 1,107,739.09-1,661,906.18-349,609.87

Finding the Fourth Proportional to 1,107,739.09, 1,661,906.18 and 349,609.87

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Solution

The fourth proportional to 1,107,739.09, 1,661,906.18 and 349,609.87 is: 524,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,739.09 : 1,661,906.18 = 349,609.87 : x
  2. Step 2: Convert to fraction form
    1,107,739.09/1,661,906.18 = 349,609.87/x
  3. Step 3: Cross multiply
    1,107,739.09x = 1,661,906.18 × 349,609.87
  4. Step 4: Simplify right side
    1,107,739.09x = 581,018,803,542.00
  5. Step 5: Solve for x
    x = 581,018,803,542.00/1,107,739.09
  6. Step 6: Final answer
    x = 524,508.71

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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.