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Finding the Fourth Proportional to 1,593,659, 2,199,249.42 and 878,267

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Solution

The fourth proportional to 1,593,659, 2,199,249.42 and 878,267 is: 1,212,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,659 : 2,199,249.42 = 878,267 : x
  2. Step 2: Convert to fraction form
    1,593,659/2,199,249.42 = 878,267/x
  3. Step 3: Cross multiply
    1,593,659x = 2,199,249.42 × 878,267
  4. Step 4: Simplify right side
    1,593,659x = 1,931,528,190,355.14
  5. Step 5: Solve for x
    x = 1,931,528,190,355.14/1,593,659
  6. Step 6: Final answer
    x = 1,212,008.46

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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.