Home / 1,811,083.72-2,716,622.70-481,387.72

Finding the Fourth Proportional to 1,811,083.72, 2,716,622.70 and 481,387.72

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Solution

The fourth proportional to 1,811,083.72, 2,716,622.70 and 481,387.72 is: 722,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,083.72 : 2,716,622.70 = 481,387.72 : x
  2. Step 2: Convert to fraction form
    1,811,083.72/2,716,622.70 = 481,387.72/x
  3. Step 3: Cross multiply
    1,811,083.72x = 2,716,622.70 × 481,387.72
  4. Step 4: Simplify right side
    1,811,083.72x = 1,307,748,807,653.24
  5. Step 5: Solve for x
    x = 1,307,748,807,653.24/1,811,083.72
  6. Step 6: Final answer
    x = 722,080.81

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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.