Home / 1,493,708.14-2,240,558.78-640,226.38

Finding the Fourth Proportional to 1,493,708.14, 2,240,558.78 and 640,226.38

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Solution

The fourth proportional to 1,493,708.14, 2,240,558.78 and 640,226.38 is: 960,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,708.14 : 2,240,558.78 = 640,226.38 : x
  2. Step 2: Convert to fraction form
    1,493,708.14/2,240,558.78 = 640,226.38/x
  3. Step 3: Cross multiply
    1,493,708.14x = 2,240,558.78 × 640,226.38
  4. Step 4: Simplify right side
    1,493,708.14x = 1,434,464,825,693.82
  5. Step 5: Solve for x
    x = 1,434,464,825,693.82/1,493,708.14
  6. Step 6: Final answer
    x = 960,338.10

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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.