Home / 1,340,630.24-2,011,019.87-442,035.68

Finding the Fourth Proportional to 1,340,630.24, 2,011,019.87 and 442,035.68

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Solution

The fourth proportional to 1,340,630.24, 2,011,019.87 and 442,035.68 is: 663,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,630.24 : 2,011,019.87 = 442,035.68 : x
  2. Step 2: Convert to fraction form
    1,340,630.24/2,011,019.87 = 442,035.68/x
  3. Step 3: Cross multiply
    1,340,630.24x = 2,011,019.87 × 442,035.68
  4. Step 4: Simplify right side
    1,340,630.24x = 888,942,526,778.95
  5. Step 5: Solve for x
    x = 888,942,526,778.95/1,340,630.24
  6. Step 6: Final answer
    x = 663,078.08

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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.