Home / 885,745.20-1,222,381.26-670,544.40

Finding the Fourth Proportional to 885,745.20, 1,222,381.26 and 670,544.40

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Solution

The fourth proportional to 885,745.20, 1,222,381.26 and 670,544.40 is: 925,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,745.20 : 1,222,381.26 = 670,544.40 : x
  2. Step 2: Convert to fraction form
    885,745.20/1,222,381.26 = 670,544.40/x
  3. Step 3: Cross multiply
    885,745.20x = 1,222,381.26 × 670,544.40
  4. Step 4: Simplify right side
    885,745.20x = 819,660,908,557.94
  5. Step 5: Solve for x
    x = 819,660,908,557.94/885,745.20
  6. Step 6: Final answer
    x = 925,391.31

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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.