Home / 1,100,820.60-1,651,230.90-764,897.40

Finding the Fourth Proportional to 1,100,820.60, 1,651,230.90 and 764,897.40

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Solution

The fourth proportional to 1,100,820.60, 1,651,230.90 and 764,897.40 is: 1,147,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,820.60 : 1,651,230.90 = 764,897.40 : x
  2. Step 2: Convert to fraction form
    1,100,820.60/1,651,230.90 = 764,897.40/x
  3. Step 3: Cross multiply
    1,100,820.60x = 1,651,230.90 × 764,897.40
  4. Step 4: Simplify right side
    1,100,820.60x = 1,263,022,222,209.66
  5. Step 5: Solve for x
    x = 1,263,022,222,209.66/1,100,820.60
  6. Step 6: Final answer
    x = 1,147,346.10

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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.