Home / 1,340,964.96-2,011,694.86-442,468.80

Finding the Fourth Proportional to 1,340,964.96, 2,011,694.86 and 442,468.80

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Solution

The fourth proportional to 1,340,964.96, 2,011,694.86 and 442,468.80 is: 663,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,964.96 : 2,011,694.86 = 442,468.80 : x
  2. Step 2: Convert to fraction form
    1,340,964.96/2,011,694.86 = 442,468.80/x
  3. Step 3: Cross multiply
    1,340,964.96x = 2,011,694.86 × 442,468.80
  4. Step 4: Simplify right side
    1,340,964.96x = 890,112,210,670.37
  5. Step 5: Solve for x
    x = 890,112,210,670.37/1,340,964.96
  6. Step 6: Final answer
    x = 663,784.84

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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.