Home / 1,247,825.30-1,721,998.98-674,865.32

Finding the Fourth Proportional to 1,247,825.30, 1,721,998.98 and 674,865.32

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Solution

The fourth proportional to 1,247,825.30, 1,721,998.98 and 674,865.32 is: 931,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,825.30 : 1,721,998.98 = 674,865.32 : x
  2. Step 2: Convert to fraction form
    1,247,825.30/1,721,998.98 = 674,865.32/x
  3. Step 3: Cross multiply
    1,247,825.30x = 1,721,998.98 × 674,865.32
  4. Step 4: Simplify right side
    1,247,825.30x = 1,162,117,384,067.38
  5. Step 5: Solve for x
    x = 1,162,117,384,067.38/1,247,825.30
  6. Step 6: Final answer
    x = 931,314.17

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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.