Home / 1,271,764.80-1,907,647.20-1,100,522.70

Finding the Fourth Proportional to 1,271,764.80, 1,907,647.20 and 1,100,522.70

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Solution

The fourth proportional to 1,271,764.80, 1,907,647.20 and 1,100,522.70 is: 1,650,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,764.80 : 1,907,647.20 = 1,100,522.70 : x
  2. Step 2: Convert to fraction form
    1,271,764.80/1,907,647.20 = 1,100,522.70/x
  3. Step 3: Cross multiply
    1,271,764.80x = 1,907,647.20 × 1,100,522.70
  4. Step 4: Simplify right side
    1,271,764.80x = 2,099,409,047,191.44
  5. Step 5: Solve for x
    x = 2,099,409,047,191.44/1,271,764.80
  6. Step 6: Final answer
    x = 1,650,784.05

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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.