Home / 1,288,005.04-1,932,893.38-446,556.79

Finding the Fourth Proportional to 1,288,005.04, 1,932,893.38 and 446,556.79

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Solution

The fourth proportional to 1,288,005.04, 1,932,893.38 and 446,556.79 is: 670,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,005.04 : 1,932,893.38 = 446,556.79 : x
  2. Step 2: Convert to fraction form
    1,288,005.04/1,932,893.38 = 446,556.79/x
  3. Step 3: Cross multiply
    1,288,005.04x = 1,932,893.38 × 446,556.79
  4. Step 4: Simplify right side
    1,288,005.04x = 863,146,663,185.05
  5. Step 5: Solve for x
    x = 863,146,663,185.05/1,288,005.04
  6. Step 6: Final answer
    x = 670,142.30

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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.