Home / 1,417,936.82-2,121,909.15-885,708.50

Finding the Fourth Proportional to 1,417,936.82, 2,121,909.15 and 885,708.50

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Solution

The fourth proportional to 1,417,936.82, 2,121,909.15 and 885,708.50 is: 1,325,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,936.82 : 2,121,909.15 = 885,708.50 : x
  2. Step 2: Convert to fraction form
    1,417,936.82/2,121,909.15 = 885,708.50/x
  3. Step 3: Cross multiply
    1,417,936.82x = 2,121,909.15 × 885,708.50
  4. Step 4: Simplify right side
    1,417,936.82x = 1,879,392,970,382.78
  5. Step 5: Solve for x
    x = 1,879,392,970,382.78/1,417,936.82
  6. Step 6: Final answer
    x = 1,325,441.97

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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.