Home / 1,192,012.38-1,644,979.08-648,147.72

Finding the Fourth Proportional to 1,192,012.38, 1,644,979.08 and 648,147.72

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Solution

The fourth proportional to 1,192,012.38, 1,644,979.08 and 648,147.72 is: 894,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,012.38 : 1,644,979.08 = 648,147.72 : x
  2. Step 2: Convert to fraction form
    1,192,012.38/1,644,979.08 = 648,147.72/x
  3. Step 3: Cross multiply
    1,192,012.38x = 1,644,979.08 × 648,147.72
  4. Step 4: Simplify right side
    1,192,012.38x = 1,066,189,440,149.70
  5. Step 5: Solve for x
    x = 1,066,189,440,149.70/1,192,012.38
  6. Step 6: Final answer
    x = 894,444.94

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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.