Home / 1,247,540.49-1,721,604.67-674,579.30

Finding the Fourth Proportional to 1,247,540.49, 1,721,604.67 and 674,579.30

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Solution

The fourth proportional to 1,247,540.49, 1,721,604.67 and 674,579.30 is: 930,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,540.49 : 1,721,604.67 = 674,579.30 : x
  2. Step 2: Convert to fraction form
    1,247,540.49/1,721,604.67 = 674,579.30/x
  3. Step 3: Cross multiply
    1,247,540.49x = 1,721,604.67 × 674,579.30
  4. Step 4: Simplify right side
    1,247,540.49x = 1,161,358,864,557.31
  5. Step 5: Solve for x
    x = 1,161,358,864,557.31/1,247,540.49
  6. Step 6: Final answer
    x = 930,918.77

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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.