Home / 1,394,070.20-2,091,156.79-383,271.15

Finding the Fourth Proportional to 1,394,070.20, 2,091,156.79 and 383,271.15

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Solution

The fourth proportional to 1,394,070.20, 2,091,156.79 and 383,271.15 is: 574,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,070.20 : 2,091,156.79 = 383,271.15 : x
  2. Step 2: Convert to fraction form
    1,394,070.20/2,091,156.79 = 383,271.15/x
  3. Step 3: Cross multiply
    1,394,070.20x = 2,091,156.79 × 383,271.15
  4. Step 4: Simplify right side
    1,394,070.20x = 801,480,067,733.61
  5. Step 5: Solve for x
    x = 801,480,067,733.61/1,394,070.20
  6. Step 6: Final answer
    x = 574,920.88

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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.