Home / 1,384,228.70-2,074,107.45-783,403.10

Finding the Fourth Proportional to 1,384,228.70, 2,074,107.45 and 783,403.10

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Solution

The fourth proportional to 1,384,228.70, 2,074,107.45 and 783,403.10 is: 1,173,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,228.70 : 2,074,107.45 = 783,403.10 : x
  2. Step 2: Convert to fraction form
    1,384,228.70/2,074,107.45 = 783,403.10/x
  3. Step 3: Cross multiply
    1,384,228.70x = 2,074,107.45 × 783,403.10
  4. Step 4: Simplify right side
    1,384,228.70x = 1,624,862,206,063.10
  5. Step 5: Solve for x
    x = 1,624,862,206,063.10/1,384,228.70
  6. Step 6: Final answer
    x = 1,173,839.41

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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.