Home / 1,781,151.75-2,665,420.86-1,107,550.29

Finding the Fourth Proportional to 1,781,151.75, 2,665,420.86 and 1,107,550.29

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Solution

The fourth proportional to 1,781,151.75, 2,665,420.86 and 1,107,550.29 is: 1,657,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,151.75 : 2,665,420.86 = 1,107,550.29 : x
  2. Step 2: Convert to fraction form
    1,781,151.75/2,665,420.86 = 1,107,550.29/x
  3. Step 3: Cross multiply
    1,781,151.75x = 2,665,420.86 × 1,107,550.29
  4. Step 4: Simplify right side
    1,781,151.75x = 2,952,087,646,465.05
  5. Step 5: Solve for x
    x = 2,952,087,646,465.05/1,781,151.75
  6. Step 6: Final answer
    x = 1,657,403.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.