Home / 1,678,474.87-2,512,694.03-1,028,002.93

Finding the Fourth Proportional to 1,678,474.87, 2,512,694.03 and 1,028,002.93

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Solution

The fourth proportional to 1,678,474.87, 2,512,694.03 and 1,028,002.93 is: 1,538,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,474.87 : 2,512,694.03 = 1,028,002.93 : x
  2. Step 2: Convert to fraction form
    1,678,474.87/2,512,694.03 = 1,028,002.93/x
  3. Step 3: Cross multiply
    1,678,474.87x = 2,512,694.03 × 1,028,002.93
  4. Step 4: Simplify right side
    1,678,474.87x = 2,583,056,825,033.51
  5. Step 5: Solve for x
    x = 2,583,056,825,033.51/1,678,474.87
  6. Step 6: Final answer
    x = 1,538,930.89

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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.