Home / 1,313,782.25-1,813,043.10-770,072.18

Finding the Fourth Proportional to 1,313,782.25, 1,813,043.10 and 770,072.18

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Solution

The fourth proportional to 1,313,782.25, 1,813,043.10 and 770,072.18 is: 1,062,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,782.25 : 1,813,043.10 = 770,072.18 : x
  2. Step 2: Convert to fraction form
    1,313,782.25/1,813,043.10 = 770,072.18/x
  3. Step 3: Cross multiply
    1,313,782.25x = 1,813,043.10 × 770,072.18
  4. Step 4: Simplify right side
    1,313,782.25x = 1,396,174,043,385.74
  5. Step 5: Solve for x
    x = 1,396,174,043,385.74/1,313,782.25
  6. Step 6: Final answer
    x = 1,062,713.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.