Home / 1,339,846.08-1,848,994.43-728,000.42

Finding the Fourth Proportional to 1,339,846.08, 1,848,994.43 and 728,000.42

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Solution

The fourth proportional to 1,339,846.08, 1,848,994.43 and 728,000.42 is: 1,004,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,846.08 : 1,848,994.43 = 728,000.42 : x
  2. Step 2: Convert to fraction form
    1,339,846.08/1,848,994.43 = 728,000.42/x
  3. Step 3: Cross multiply
    1,339,846.08x = 1,848,994.43 × 728,000.42
  4. Step 4: Simplify right side
    1,339,846.08x = 1,346,068,708,732.69
  5. Step 5: Solve for x
    x = 1,346,068,708,732.69/1,339,846.08
  6. Step 6: Final answer
    x = 1,004,644.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.