Home / 1,384,451.40-2,077,605.90-485,891.40

Finding the Fourth Proportional to 1,384,451.40, 2,077,605.90 and 485,891.40

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Solution

The fourth proportional to 1,384,451.40, 2,077,605.90 and 485,891.40 is: 729,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,451.40 : 2,077,605.90 = 485,891.40 : x
  2. Step 2: Convert to fraction form
    1,384,451.40/2,077,605.90 = 485,891.40/x
  3. Step 3: Cross multiply
    1,384,451.40x = 2,077,605.90 × 485,891.40
  4. Step 4: Simplify right side
    1,384,451.40x = 1,009,490,839,399.26
  5. Step 5: Solve for x
    x = 1,009,490,839,399.26/1,384,451.40
  6. Step 6: Final answer
    x = 729,163.07

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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.