Home / 2,405,889.12-3,609,639.33-786,732.63

Finding the Fourth Proportional to 2,405,889.12, 3,609,639.33 and 786,732.63

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Solution

The fourth proportional to 2,405,889.12, 3,609,639.33 and 786,732.63 is: 1,180,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,889.12 : 3,609,639.33 = 786,732.63 : x
  2. Step 2: Convert to fraction form
    2,405,889.12/3,609,639.33 = 786,732.63/x
  3. Step 3: Cross multiply
    2,405,889.12x = 3,609,639.33 × 786,732.63
  4. Step 4: Simplify right side
    2,405,889.12x = 2,839,821,043,442.34
  5. Step 5: Solve for x
    x = 2,839,821,043,442.34/2,405,889.12
  6. Step 6: Final answer
    x = 1,180,362.39

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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.