Home / 1,439,029.44-2,158,168.01-427,879.08

Finding the Fourth Proportional to 1,439,029.44, 2,158,168.01 and 427,879.08

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Solution

The fourth proportional to 1,439,029.44, 2,158,168.01 and 427,879.08 is: 641,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,029.44 : 2,158,168.01 = 427,879.08 : x
  2. Step 2: Convert to fraction form
    1,439,029.44/2,158,168.01 = 427,879.08/x
  3. Step 3: Cross multiply
    1,439,029.44x = 2,158,168.01 × 427,879.08
  4. Step 4: Simplify right side
    1,439,029.44x = 923,434,940,464.84
  5. Step 5: Solve for x
    x = 923,434,940,464.84/1,439,029.44
  6. Step 6: Final answer
    x = 641,706.77

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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.