Home / 1,052,542.12-1,452,488.82-644,579.20

Finding the Fourth Proportional to 1,052,542.12, 1,452,488.82 and 644,579.20

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Solution

The fourth proportional to 1,052,542.12, 1,452,488.82 and 644,579.20 is: 889,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,542.12 : 1,452,488.82 = 644,579.20 : x
  2. Step 2: Convert to fraction form
    1,052,542.12/1,452,488.82 = 644,579.20/x
  3. Step 3: Cross multiply
    1,052,542.12x = 1,452,488.82 × 644,579.20
  4. Step 4: Simplify right side
    1,052,542.12x = 936,244,081,604.54
  5. Step 5: Solve for x
    x = 936,244,081,604.54/1,052,542.12
  6. Step 6: Final answer
    x = 889,507.47

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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.