Home / 1,231,980.12-1,699,195.20-1,060,187.16

Finding the Fourth Proportional to 1,231,980.12, 1,699,195.20 and 1,060,187.16

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Solution

The fourth proportional to 1,231,980.12, 1,699,195.20 and 1,060,187.16 is: 1,462,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,980.12 : 1,699,195.20 = 1,060,187.16 : x
  2. Step 2: Convert to fraction form
    1,231,980.12/1,699,195.20 = 1,060,187.16/x
  3. Step 3: Cross multiply
    1,231,980.12x = 1,699,195.20 × 1,060,187.16
  4. Step 4: Simplify right side
    1,231,980.12x = 1,801,464,933,373.63
  5. Step 5: Solve for x
    x = 1,801,464,933,373.63/1,231,980.12
  6. Step 6: Final answer
    x = 1,462,251.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.