Home / 1,288,005.29-1,932,893.77-446,557.04

Finding the Fourth Proportional to 1,288,005.29, 1,932,893.77 and 446,557.04

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Solution

The fourth proportional to 1,288,005.29, 1,932,893.77 and 446,557.04 is: 670,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,005.29 : 1,932,893.77 = 446,557.04 : x
  2. Step 2: Convert to fraction form
    1,288,005.29/1,932,893.77 = 446,557.04/x
  3. Step 3: Cross multiply
    1,288,005.29x = 1,932,893.77 × 446,557.04
  4. Step 4: Simplify right side
    1,288,005.29x = 863,147,320,565.64
  5. Step 5: Solve for x
    x = 863,147,320,565.64/1,288,005.29
  6. Step 6: Final answer
    x = 670,142.68

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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.