Home / 1,251,221.37-1,873,801.26-865,890.48

Finding the Fourth Proportional to 1,251,221.37, 1,873,801.26 and 865,890.48

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Solution

The fourth proportional to 1,251,221.37, 1,873,801.26 and 865,890.48 is: 1,296,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,221.37 : 1,873,801.26 = 865,890.48 : x
  2. Step 2: Convert to fraction form
    1,251,221.37/1,873,801.26 = 865,890.48/x
  3. Step 3: Cross multiply
    1,251,221.37x = 1,873,801.26 × 865,890.48
  4. Step 4: Simplify right side
    1,251,221.37x = 1,622,506,672,446.01
  5. Step 5: Solve for x
    x = 1,622,506,672,446.01/1,251,221.37
  6. Step 6: Final answer
    x = 1,296,738.30

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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.