Home / 1,101,976.58-1,652,322.62-427,269.66

Finding the Fourth Proportional to 1,101,976.58, 1,652,322.62 and 427,269.66

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Solution

The fourth proportional to 1,101,976.58, 1,652,322.62 and 427,269.66 is: 640,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,976.58 : 1,652,322.62 = 427,269.66 : x
  2. Step 2: Convert to fraction form
    1,101,976.58/1,652,322.62 = 427,269.66/x
  3. Step 3: Cross multiply
    1,101,976.58x = 1,652,322.62 × 427,269.66
  4. Step 4: Simplify right side
    1,101,976.58x = 705,987,324,057.71
  5. Step 5: Solve for x
    x = 705,987,324,057.71/1,101,976.58
  6. Step 6: Final answer
    x = 640,655.47

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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.