Home / 745,442.91-1,123,143.54-674,456.54

Finding the Fourth Proportional to 745,442.91, 1,123,143.54 and 674,456.54

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Solution

The fourth proportional to 745,442.91, 1,123,143.54 and 674,456.54 is: 1,016,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,442.91 : 1,123,143.54 = 674,456.54 : x
  2. Step 2: Convert to fraction form
    745,442.91/1,123,143.54 = 674,456.54/x
  3. Step 3: Cross multiply
    745,442.91x = 1,123,143.54 × 674,456.54
  4. Step 4: Simplify right side
    745,442.91x = 757,511,500,296.03
  5. Step 5: Solve for x
    x = 757,511,500,296.03/745,442.91
  6. Step 6: Final answer
    x = 1,016,189.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.