Home / 846,125.78-1,269,193.05-285,165.14

Finding the Fourth Proportional to 846,125.78, 1,269,193.05 and 285,165.14

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Solution

The fourth proportional to 846,125.78, 1,269,193.05 and 285,165.14 is: 427,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,125.78 : 1,269,193.05 = 285,165.14 : x
  2. Step 2: Convert to fraction form
    846,125.78/1,269,193.05 = 285,165.14/x
  3. Step 3: Cross multiply
    846,125.78x = 1,269,193.05 × 285,165.14
  4. Step 4: Simplify right side
    846,125.78x = 361,929,613,790.28
  5. Step 5: Solve for x
    x = 361,929,613,790.28/846,125.78
  6. Step 6: Final answer
    x = 427,749.19

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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.