Home / 1,800,909.36-2,701,362.56-721,909.44

Finding the Fourth Proportional to 1,800,909.36, 2,701,362.56 and 721,909.44

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Solution

The fourth proportional to 1,800,909.36, 2,701,362.56 and 721,909.44 is: 1,082,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,909.36 : 2,701,362.56 = 721,909.44 : x
  2. Step 2: Convert to fraction form
    1,800,909.36/2,701,362.56 = 721,909.44/x
  3. Step 3: Cross multiply
    1,800,909.36x = 2,701,362.56 × 721,909.44
  4. Step 4: Simplify right side
    1,800,909.36x = 1,950,139,132,926.57
  5. Step 5: Solve for x
    x = 1,950,139,132,926.57/1,800,909.36
  6. Step 6: Final answer
    x = 1,082,863.57

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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.