Home / 3,135,436.42-4,702,650.87-860,429.38

Finding the Fourth Proportional to 3,135,436.42, 4,702,650.87 and 860,429.38

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Solution

The fourth proportional to 3,135,436.42, 4,702,650.87 and 860,429.38 is: 1,290,505.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,436.42 : 4,702,650.87 = 860,429.38 : x
  2. Step 2: Convert to fraction form
    3,135,436.42/4,702,650.87 = 860,429.38/x
  3. Step 3: Cross multiply
    3,135,436.42x = 4,702,650.87 × 860,429.38
  4. Step 4: Simplify right side
    3,135,436.42x = 4,046,298,972,430.56
  5. Step 5: Solve for x
    x = 4,046,298,972,430.56/3,135,436.42
  6. Step 6: Final answer
    x = 1,290,505.83

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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.