Home / 1,149,613.31-1,586,466.80-666,458.54

Finding the Fourth Proportional to 1,149,613.31, 1,586,466.80 and 666,458.54

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Solution

The fourth proportional to 1,149,613.31, 1,586,466.80 and 666,458.54 is: 919,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,613.31 : 1,586,466.80 = 666,458.54 : x
  2. Step 2: Convert to fraction form
    1,149,613.31/1,586,466.80 = 666,458.54/x
  3. Step 3: Cross multiply
    1,149,613.31x = 1,586,466.80 × 666,458.54
  4. Step 4: Simplify right side
    1,149,613.31x = 1,057,314,336,021.85
  5. Step 5: Solve for x
    x = 1,057,314,336,021.85/1,149,613.31
  6. Step 6: Final answer
    x = 919,713.03

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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.