Home / 1,811,082.72-2,716,621.20-481,386.72

Finding the Fourth Proportional to 1,811,082.72, 2,716,621.20 and 481,386.72

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Solution

The fourth proportional to 1,811,082.72, 2,716,621.20 and 481,386.72 is: 722,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,082.72 : 2,716,621.20 = 481,386.72 : x
  2. Step 2: Convert to fraction form
    1,811,082.72/2,716,621.20 = 481,386.72/x
  3. Step 3: Cross multiply
    1,811,082.72x = 2,716,621.20 × 481,386.72
  4. Step 4: Simplify right side
    1,811,082.72x = 1,307,745,368,950.46
  5. Step 5: Solve for x
    x = 1,307,745,368,950.46/1,811,082.72
  6. Step 6: Final answer
    x = 722,079.31

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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.