Home / 1,274,448.60-1,911,672.90-1,219,843.80

Finding the Fourth Proportional to 1,274,448.60, 1,911,672.90 and 1,219,843.80

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Solution

The fourth proportional to 1,274,448.60, 1,911,672.90 and 1,219,843.80 is: 1,829,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,448.60 : 1,911,672.90 = 1,219,843.80 : x
  2. Step 2: Convert to fraction form
    1,274,448.60/1,911,672.90 = 1,219,843.80/x
  3. Step 3: Cross multiply
    1,274,448.60x = 1,911,672.90 × 1,219,843.80
  4. Step 4: Simplify right side
    1,274,448.60x = 2,331,942,334,693.02
  5. Step 5: Solve for x
    x = 2,331,942,334,693.02/1,274,448.60
  6. Step 6: Final answer
    x = 1,829,765.70

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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.