Home / 1,135,015.94-1,565,435.77-727,155.43

Finding the Fourth Proportional to 1,135,015.94, 1,565,435.77 and 727,155.43

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Solution

The fourth proportional to 1,135,015.94, 1,565,435.77 and 727,155.43 is: 1,002,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,015.94 : 1,565,435.77 = 727,155.43 : x
  2. Step 2: Convert to fraction form
    1,135,015.94/1,565,435.77 = 727,155.43/x
  3. Step 3: Cross multiply
    1,135,015.94x = 1,565,435.77 × 727,155.43
  4. Step 4: Simplify right side
    1,135,015.94x = 1,138,315,114,740.25
  5. Step 5: Solve for x
    x = 1,138,315,114,740.25/1,135,015.94
  6. Step 6: Final answer
    x = 1,002,906.72

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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.