Home / 1,149,299.30-1,586,033.01-666,144.69

Finding the Fourth Proportional to 1,149,299.30, 1,586,033.01 and 666,144.69

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Solution

The fourth proportional to 1,149,299.30, 1,586,033.01 and 666,144.69 is: 919,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,299.30 : 1,586,033.01 = 666,144.69 : x
  2. Step 2: Convert to fraction form
    1,149,299.30/1,586,033.01 = 666,144.69/x
  3. Step 3: Cross multiply
    1,149,299.30x = 1,586,033.01 × 666,144.69
  4. Step 4: Simplify right side
    1,149,299.30x = 1,056,527,467,776.22
  5. Step 5: Solve for x
    x = 1,056,527,467,776.22/1,149,299.30
  6. Step 6: Final answer
    x = 919,279.66

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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.