Home / 1,766,022.60-2,649,228.30-644,334.60

Finding the Fourth Proportional to 1,766,022.60, 2,649,228.30 and 644,334.60

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Solution

The fourth proportional to 1,766,022.60, 2,649,228.30 and 644,334.60 is: 966,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,022.60 : 2,649,228.30 = 644,334.60 : x
  2. Step 2: Convert to fraction form
    1,766,022.60/2,649,228.30 = 644,334.60/x
  3. Step 3: Cross multiply
    1,766,022.60x = 2,649,228.30 × 644,334.60
  4. Step 4: Simplify right side
    1,766,022.60x = 1,706,989,456,989.18
  5. Step 5: Solve for x
    x = 1,706,989,456,989.18/1,766,022.60
  6. Step 6: Final answer
    x = 966,572.83

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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.