Home / 1,565,408.70-2,345,002.65-854,163.90

Finding the Fourth Proportional to 1,565,408.70, 2,345,002.65 and 854,163.90

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Solution

The fourth proportional to 1,565,408.70, 2,345,002.65 and 854,163.90 is: 1,279,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,408.70 : 2,345,002.65 = 854,163.90 : x
  2. Step 2: Convert to fraction form
    1,565,408.70/2,345,002.65 = 854,163.90/x
  3. Step 3: Cross multiply
    1,565,408.70x = 2,345,002.65 × 854,163.90
  4. Step 4: Simplify right side
    1,565,408.70x = 2,003,016,609,034.34
  5. Step 5: Solve for x
    x = 2,003,016,609,034.34/1,565,408.70
  6. Step 6: Final answer
    x = 1,279,548.66

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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.