Home / 1,340,847.23-2,011,332.81-442,367.49

Finding the Fourth Proportional to 1,340,847.23, 2,011,332.81 and 442,367.49

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Solution

The fourth proportional to 1,340,847.23, 2,011,332.81 and 442,367.49 is: 663,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,847.23 : 2,011,332.81 = 442,367.49 : x
  2. Step 2: Convert to fraction form
    1,340,847.23/2,011,332.81 = 442,367.49/x
  3. Step 3: Cross multiply
    1,340,847.23x = 2,011,332.81 × 442,367.49
  4. Step 4: Simplify right side
    1,340,847.23x = 889,748,247,119.38
  5. Step 5: Solve for x
    x = 889,748,247,119.38/1,340,847.23
  6. Step 6: Final answer
    x = 663,571.68

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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.