Home / 1,241,130.80-1,861,696.20-443,313.20

Finding the Fourth Proportional to 1,241,130.80, 1,861,696.20 and 443,313.20

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Solution

The fourth proportional to 1,241,130.80, 1,861,696.20 and 443,313.20 is: 664,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,130.80 : 1,861,696.20 = 443,313.20 : x
  2. Step 2: Convert to fraction form
    1,241,130.80/1,861,696.20 = 443,313.20/x
  3. Step 3: Cross multiply
    1,241,130.80x = 1,861,696.20 × 443,313.20
  4. Step 4: Simplify right side
    1,241,130.80x = 825,314,499,849.84
  5. Step 5: Solve for x
    x = 825,314,499,849.84/1,241,130.80
  6. Step 6: Final answer
    x = 664,969.80

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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.