Home / 1,145,983.12-1,717,906.29-387,294.09

Finding the Fourth Proportional to 1,145,983.12, 1,717,906.29 and 387,294.09

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Solution

The fourth proportional to 1,145,983.12, 1,717,906.29 and 387,294.09 is: 580,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,983.12 : 1,717,906.29 = 387,294.09 : x
  2. Step 2: Convert to fraction form
    1,145,983.12/1,717,906.29 = 387,294.09/x
  3. Step 3: Cross multiply
    1,145,983.12x = 1,717,906.29 × 387,294.09
  4. Step 4: Simplify right side
    1,145,983.12x = 665,334,945,396.33
  5. Step 5: Solve for x
    x = 665,334,945,396.33/1,145,983.12
  6. Step 6: Final answer
    x = 580,580.06

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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.