Home / 1,086,586.73-1,629,878.73-412,666.78

Finding the Fourth Proportional to 1,086,586.73, 1,629,878.73 and 412,666.78

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Solution

The fourth proportional to 1,086,586.73, 1,629,878.73 and 412,666.78 is: 618,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,586.73 : 1,629,878.73 = 412,666.78 : x
  2. Step 2: Convert to fraction form
    1,086,586.73/1,629,878.73 = 412,666.78/x
  3. Step 3: Cross multiply
    1,086,586.73x = 1,629,878.73 × 412,666.78
  4. Step 4: Simplify right side
    1,086,586.73x = 672,596,807,299.59
  5. Step 5: Solve for x
    x = 672,596,807,299.59/1,086,586.73
  6. Step 6: Final answer
    x = 618,999.65

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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.