Home / 1,415,089.50-2,118,648.20-1,271,600.43

Finding the Fourth Proportional to 1,415,089.50, 2,118,648.20 and 1,271,600.43

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Solution

The fourth proportional to 1,415,089.50, 2,118,648.20 and 1,271,600.43 is: 1,903,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,089.50 : 2,118,648.20 = 1,271,600.43 : x
  2. Step 2: Convert to fraction form
    1,415,089.50/2,118,648.20 = 1,271,600.43/x
  3. Step 3: Cross multiply
    1,415,089.50x = 2,118,648.20 × 1,271,600.43
  4. Step 4: Simplify right side
    1,415,089.50x = 2,694,073,962,138.73
  5. Step 5: Solve for x
    x = 2,694,073,962,138.73/1,415,089.50
  6. Step 6: Final answer
    x = 1,903,818.78

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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.