Home / 1,340,855.17-2,011,344.71-442,375.44

Finding the Fourth Proportional to 1,340,855.17, 2,011,344.71 and 442,375.44

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Solution

The fourth proportional to 1,340,855.17, 2,011,344.71 and 442,375.44 is: 663,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,855.17 : 2,011,344.71 = 442,375.44 : x
  2. Step 2: Convert to fraction form
    1,340,855.17/2,011,344.71 = 442,375.44/x
  3. Step 3: Cross multiply
    1,340,855.17x = 2,011,344.71 × 442,375.44
  4. Step 4: Simplify right side
    1,340,855.17x = 889,769,501,077.92
  5. Step 5: Solve for x
    x = 889,769,501,077.92/1,340,855.17
  6. Step 6: Final answer
    x = 663,583.60

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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.