Home / 1,149,310.62-1,586,048.67-666,156.06

Finding the Fourth Proportional to 1,149,310.62, 1,586,048.67 and 666,156.06

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Solution

The fourth proportional to 1,149,310.62, 1,586,048.67 and 666,156.06 is: 919,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,310.62 : 1,586,048.67 = 666,156.06 : x
  2. Step 2: Convert to fraction form
    1,149,310.62/1,586,048.67 = 666,156.06/x
  3. Step 3: Cross multiply
    1,149,310.62x = 1,586,048.67 × 666,156.06
  4. Step 4: Simplify right side
    1,149,310.62x = 1,056,555,932,975.44
  5. Step 5: Solve for x
    x = 1,056,555,932,975.44/1,149,310.62
  6. Step 6: Final answer
    x = 919,295.37

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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.