Home / 1,052,263.98-1,451,793.39-643,940.16

Finding the Fourth Proportional to 1,052,263.98, 1,451,793.39 and 643,940.16

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Solution

The fourth proportional to 1,052,263.98, 1,451,793.39 and 643,940.16 is: 888,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,263.98 : 1,451,793.39 = 643,940.16 : x
  2. Step 2: Convert to fraction form
    1,052,263.98/1,451,793.39 = 643,940.16/x
  3. Step 3: Cross multiply
    1,052,263.98x = 1,451,793.39 × 643,940.16
  4. Step 4: Simplify right side
    1,052,263.98x = 934,868,067,843.54
  5. Step 5: Solve for x
    x = 934,868,067,843.54/1,052,263.98
  6. Step 6: Final answer
    x = 888,434.92

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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.