Home / 1,247,338.24-1,721,326.32-674,378.24

Finding the Fourth Proportional to 1,247,338.24, 1,721,326.32 and 674,378.24

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Solution

The fourth proportional to 1,247,338.24, 1,721,326.32 and 674,378.24 is: 930,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,338.24 : 1,721,326.32 = 674,378.24 : x
  2. Step 2: Convert to fraction form
    1,247,338.24/1,721,326.32 = 674,378.24/x
  3. Step 3: Cross multiply
    1,247,338.24x = 1,721,326.32 × 674,378.24
  4. Step 4: Simplify right side
    1,247,338.24x = 1,160,825,014,147.28
  5. Step 5: Solve for x
    x = 1,160,825,014,147.28/1,247,338.24
  6. Step 6: Final answer
    x = 930,641.73

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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.