Home / 1,103,933.80-1,655,900.70-768,010.60

Finding the Fourth Proportional to 1,103,933.80, 1,655,900.70 and 768,010.60

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Solution

The fourth proportional to 1,103,933.80, 1,655,900.70 and 768,010.60 is: 1,152,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,933.80 : 1,655,900.70 = 768,010.60 : x
  2. Step 2: Convert to fraction form
    1,103,933.80/1,655,900.70 = 768,010.60/x
  3. Step 3: Cross multiply
    1,103,933.80x = 1,655,900.70 × 768,010.60
  4. Step 4: Simplify right side
    1,103,933.80x = 1,271,749,290,147.42
  5. Step 5: Solve for x
    x = 1,271,749,290,147.42/1,103,933.80
  6. Step 6: Final answer
    x = 1,152,015.90

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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.