Home / 1,346,149.80-2,019,224.70-1,213,289.55

Finding the Fourth Proportional to 1,346,149.80, 2,019,224.70 and 1,213,289.55

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Solution

The fourth proportional to 1,346,149.80, 2,019,224.70 and 1,213,289.55 is: 1,819,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,149.80 : 2,019,224.70 = 1,213,289.55 : x
  2. Step 2: Convert to fraction form
    1,346,149.80/2,019,224.70 = 1,213,289.55/x
  3. Step 3: Cross multiply
    1,346,149.80x = 2,019,224.70 × 1,213,289.55
  4. Step 4: Simplify right side
    1,346,149.80x = 2,449,904,227,611.89
  5. Step 5: Solve for x
    x = 2,449,904,227,611.89/1,346,149.80
  6. Step 6: Final answer
    x = 1,819,934.33

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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.