Home / 1,665,691.62-2,298,655.20-901,745.16

Finding the Fourth Proportional to 1,665,691.62, 2,298,655.20 and 901,745.16

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Solution

The fourth proportional to 1,665,691.62, 2,298,655.20 and 901,745.16 is: 1,244,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,691.62 : 2,298,655.20 = 901,745.16 : x
  2. Step 2: Convert to fraction form
    1,665,691.62/2,298,655.20 = 901,745.16/x
  3. Step 3: Cross multiply
    1,665,691.62x = 2,298,655.20 × 901,745.16
  4. Step 4: Simplify right side
    1,665,691.62x = 2,072,801,201,108.83
  5. Step 5: Solve for x
    x = 2,072,801,201,108.83/1,665,691.62
  6. Step 6: Final answer
    x = 1,244,408.73

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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.