Home / 1,212,614.43-1,818,611.27-359,486.57

Finding the Fourth Proportional to 1,212,614.43, 1,818,611.27 and 359,486.57

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Solution

The fourth proportional to 1,212,614.43, 1,818,611.27 and 359,486.57 is: 539,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,614.43 : 1,818,611.27 = 359,486.57 : x
  2. Step 2: Convert to fraction form
    1,212,614.43/1,818,611.27 = 359,486.57/x
  3. Step 3: Cross multiply
    1,212,614.43x = 1,818,611.27 × 359,486.57
  4. Step 4: Simplify right side
    1,212,614.43x = 653,766,333,060.89
  5. Step 5: Solve for x
    x = 653,766,333,060.89/1,212,614.43
  6. Step 6: Final answer
    x = 539,137.85

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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.