Home / 1,138,022.62-1,707,991.64-569,233.12

Finding the Fourth Proportional to 1,138,022.62, 1,707,991.64 and 569,233.12

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Solution

The fourth proportional to 1,138,022.62, 1,707,991.64 and 569,233.12 is: 854,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,022.62 : 1,707,991.64 = 569,233.12 : x
  2. Step 2: Convert to fraction form
    1,138,022.62/1,707,991.64 = 569,233.12/x
  3. Step 3: Cross multiply
    1,138,022.62x = 1,707,991.64 × 569,233.12
  4. Step 4: Simplify right side
    1,138,022.62x = 972,245,410,171.12
  5. Step 5: Solve for x
    x = 972,245,410,171.12/1,138,022.62
  6. Step 6: Final answer
    x = 854,328.72

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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.