Home / 1,231,125.96-1,695,192.90-1,115,653.48

Finding the Fourth Proportional to 1,231,125.96, 1,695,192.90 and 1,115,653.48

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Solution

The fourth proportional to 1,231,125.96, 1,695,192.90 and 1,115,653.48 is: 1,536,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,125.96 : 1,695,192.90 = 1,115,653.48 : x
  2. Step 2: Convert to fraction form
    1,231,125.96/1,695,192.90 = 1,115,653.48/x
  3. Step 3: Cross multiply
    1,231,125.96x = 1,695,192.90 × 1,115,653.48
  4. Step 4: Simplify right side
    1,231,125.96x = 1,891,247,858,156.29
  5. Step 5: Solve for x
    x = 1,891,247,858,156.29/1,231,125.96
  6. Step 6: Final answer
    x = 1,536,193.63

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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.