Home / 916,938.80-1,375,408.20-854,730.80

Finding the Fourth Proportional to 916,938.80, 1,375,408.20 and 854,730.80

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Solution

The fourth proportional to 916,938.80, 1,375,408.20 and 854,730.80 is: 1,282,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,938.80 : 1,375,408.20 = 854,730.80 : x
  2. Step 2: Convert to fraction form
    916,938.80/1,375,408.20 = 854,730.80/x
  3. Step 3: Cross multiply
    916,938.80x = 1,375,408.20 × 854,730.80
  4. Step 4: Simplify right side
    916,938.80x = 1,175,603,751,112.56
  5. Step 5: Solve for x
    x = 1,175,603,751,112.56/916,938.80
  6. Step 6: Final answer
    x = 1,282,096.20

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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.