Home / 1,288,015.01-1,932,029.18-755,162.37

Finding the Fourth Proportional to 1,288,015.01, 1,932,029.18 and 755,162.37

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Solution

The fourth proportional to 1,288,015.01, 1,932,029.18 and 755,162.37 is: 1,132,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,015.01 : 1,932,029.18 = 755,162.37 : x
  2. Step 2: Convert to fraction form
    1,288,015.01/1,932,029.18 = 755,162.37/x
  3. Step 3: Cross multiply
    1,288,015.01x = 1,932,029.18 × 755,162.37
  4. Step 4: Simplify right side
    1,288,015.01x = 1,458,995,733,534.00
  5. Step 5: Solve for x
    x = 1,458,995,733,534.00/1,288,015.01
  6. Step 6: Final answer
    x = 1,132,747.46

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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.