Home / 1,490,291-2,056,869.97-878,408.04

Finding the Fourth Proportional to 1,490,291, 2,056,869.97 and 878,408.04

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Solution

The fourth proportional to 1,490,291, 2,056,869.97 and 878,408.04 is: 1,212,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,291 : 2,056,869.97 = 878,408.04 : x
  2. Step 2: Convert to fraction form
    1,490,291/2,056,869.97 = 878,408.04/x
  3. Step 3: Cross multiply
    1,490,291x = 2,056,869.97 × 878,408.04
  4. Step 4: Simplify right side
    1,490,291x = 1,806,771,118,882.56
  5. Step 5: Solve for x
    x = 1,806,771,118,882.56/1,490,291
  6. Step 6: Final answer
    x = 1,212,361.29

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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.