Home / 1,149,614.31-1,586,468.18-666,459.54

Finding the Fourth Proportional to 1,149,614.31, 1,586,468.18 and 666,459.54

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Solution

The fourth proportional to 1,149,614.31, 1,586,468.18 and 666,459.54 is: 919,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,614.31 : 1,586,468.18 = 666,459.54 : x
  2. Step 2: Convert to fraction form
    1,149,614.31/1,586,468.18 = 666,459.54/x
  3. Step 3: Cross multiply
    1,149,614.31x = 1,586,468.18 × 666,459.54
  4. Step 4: Simplify right side
    1,149,614.31x = 1,057,316,853,467.44
  5. Step 5: Solve for x
    x = 1,057,316,853,467.44/1,149,614.31
  6. Step 6: Final answer
    x = 919,714.42

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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.