Home / 1,766,144.70-2,649,612-644,213.70

Finding the Fourth Proportional to 1,766,144.70, 2,649,612 and 644,213.70

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Solution

The fourth proportional to 1,766,144.70, 2,649,612 and 644,213.70 is: 966,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,144.70 : 2,649,612 = 644,213.70 : x
  2. Step 2: Convert to fraction form
    1,766,144.70/2,649,612 = 644,213.70/x
  3. Step 3: Cross multiply
    1,766,144.70x = 2,649,612 × 644,213.70
  4. Step 4: Simplify right side
    1,766,144.70x = 1,706,916,350,084.40
  5. Step 5: Solve for x
    x = 1,706,916,350,084.40/1,766,144.70
  6. Step 6: Final answer
    x = 966,464.61

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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.