Home / 1,324,149.38-1,827,177.72-780,249.77

Finding the Fourth Proportional to 1,324,149.38, 1,827,177.72 and 780,249.77

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Solution

The fourth proportional to 1,324,149.38, 1,827,177.72 and 780,249.77 is: 1,076,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,149.38 : 1,827,177.72 = 780,249.77 : x
  2. Step 2: Convert to fraction form
    1,324,149.38/1,827,177.72 = 780,249.77/x
  3. Step 3: Cross multiply
    1,324,149.38x = 1,827,177.72 × 780,249.77
  4. Step 4: Simplify right side
    1,324,149.38x = 1,425,654,995,779.12
  5. Step 5: Solve for x
    x = 1,425,654,995,779.12/1,324,149.38
  6. Step 6: Final answer
    x = 1,076,657.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.