Home / 1,052,262.50-1,451,791.32-643,938.66

Finding the Fourth Proportional to 1,052,262.50, 1,451,791.32 and 643,938.66

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Solution

The fourth proportional to 1,052,262.50, 1,451,791.32 and 643,938.66 is: 888,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,262.50 : 1,451,791.32 = 643,938.66 : x
  2. Step 2: Convert to fraction form
    1,052,262.50/1,451,791.32 = 643,938.66/x
  3. Step 3: Cross multiply
    1,052,262.50x = 1,451,791.32 × 643,938.66
  4. Step 4: Simplify right side
    1,052,262.50x = 934,864,557,200.43
  5. Step 5: Solve for x
    x = 934,864,557,200.43/1,052,262.50
  6. Step 6: Final answer
    x = 888,432.84

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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.