Home / 1,100,211.60-1,650,317.40-743,293.20

Finding the Fourth Proportional to 1,100,211.60, 1,650,317.40 and 743,293.20

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Solution

The fourth proportional to 1,100,211.60, 1,650,317.40 and 743,293.20 is: 1,114,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,211.60 : 1,650,317.40 = 743,293.20 : x
  2. Step 2: Convert to fraction form
    1,100,211.60/1,650,317.40 = 743,293.20/x
  3. Step 3: Cross multiply
    1,100,211.60x = 1,650,317.40 × 743,293.20
  4. Step 4: Simplify right side
    1,100,211.60x = 1,226,669,701,261.68
  5. Step 5: Solve for x
    x = 1,226,669,701,261.68/1,100,211.60
  6. Step 6: Final answer
    x = 1,114,939.80

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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.