Home / 1,772,129.58-2,658,379.10-677,912.27

Finding the Fourth Proportional to 1,772,129.58, 2,658,379.10 and 677,912.27

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Solution

The fourth proportional to 1,772,129.58, 2,658,379.10 and 677,912.27 is: 1,016,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,129.58 : 2,658,379.10 = 677,912.27 : x
  2. Step 2: Convert to fraction form
    1,772,129.58/2,658,379.10 = 677,912.27/x
  3. Step 3: Cross multiply
    1,772,129.58x = 2,658,379.10 × 677,912.27
  4. Step 4: Simplify right side
    1,772,129.58x = 1,802,147,800,118.35
  5. Step 5: Solve for x
    x = 1,802,147,800,118.35/1,772,129.58
  6. Step 6: Final answer
    x = 1,016,939.07

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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.