Home / 1,191,261.40-1,786,892.10-1,133,200.60

Finding the Fourth Proportional to 1,191,261.40, 1,786,892.10 and 1,133,200.60

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Solution

The fourth proportional to 1,191,261.40, 1,786,892.10 and 1,133,200.60 is: 1,699,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,261.40 : 1,786,892.10 = 1,133,200.60 : x
  2. Step 2: Convert to fraction form
    1,191,261.40/1,786,892.10 = 1,133,200.60/x
  3. Step 3: Cross multiply
    1,191,261.40x = 1,786,892.10 × 1,133,200.60
  4. Step 4: Simplify right side
    1,191,261.40x = 2,024,907,199,855.26
  5. Step 5: Solve for x
    x = 2,024,907,199,855.26/1,191,261.40
  6. Step 6: Final answer
    x = 1,699,800.90

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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.