Home / 1,254,082.56-1,880,530.92-485,940.12

Finding the Fourth Proportional to 1,254,082.56, 1,880,530.92 and 485,940.12

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Solution

The fourth proportional to 1,254,082.56, 1,880,530.92 and 485,940.12 is: 728,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,082.56 : 1,880,530.92 = 485,940.12 : x
  2. Step 2: Convert to fraction form
    1,254,082.56/1,880,530.92 = 485,940.12/x
  3. Step 3: Cross multiply
    1,254,082.56x = 1,880,530.92 × 485,940.12
  4. Step 4: Simplify right side
    1,254,082.56x = 913,825,420,928.51
  5. Step 5: Solve for x
    x = 913,825,420,928.51/1,254,082.56
  6. Step 6: Final answer
    x = 728,680.43

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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.