Home / 1,337,198.36-2,005,775.66-538,459.79

Finding the Fourth Proportional to 1,337,198.36, 2,005,775.66 and 538,459.79

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Solution

The fourth proportional to 1,337,198.36, 2,005,775.66 and 538,459.79 is: 807,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,198.36 : 2,005,775.66 = 538,459.79 : x
  2. Step 2: Convert to fraction form
    1,337,198.36/2,005,775.66 = 538,459.79/x
  3. Step 3: Cross multiply
    1,337,198.36x = 2,005,775.66 × 538,459.79
  4. Step 4: Simplify right side
    1,337,198.36x = 1,080,029,531,987.98
  5. Step 5: Solve for x
    x = 1,080,029,531,987.98/1,337,198.36
  6. Step 6: Final answer
    x = 807,680.87

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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.