Home / 1,346,658.20-2,019,987.30-1,222,655.30

Finding the Fourth Proportional to 1,346,658.20, 2,019,987.30 and 1,222,655.30

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Solution

The fourth proportional to 1,346,658.20, 2,019,987.30 and 1,222,655.30 is: 1,833,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,658.20 : 2,019,987.30 = 1,222,655.30 : x
  2. Step 2: Convert to fraction form
    1,346,658.20/2,019,987.30 = 1,222,655.30/x
  3. Step 3: Cross multiply
    1,346,658.20x = 2,019,987.30 × 1,222,655.30
  4. Step 4: Simplify right side
    1,346,658.20x = 2,469,748,178,277.69
  5. Step 5: Solve for x
    x = 2,469,748,178,277.69/1,346,658.20
  6. Step 6: Final answer
    x = 1,833,982.95

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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.