Home / 1,210,481.49-1,669,963.01-720,352.77

Finding the Fourth Proportional to 1,210,481.49, 1,669,963.01 and 720,352.77

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Solution

The fourth proportional to 1,210,481.49, 1,669,963.01 and 720,352.77 is: 993,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,481.49 : 1,669,963.01 = 720,352.77 : x
  2. Step 2: Convert to fraction form
    1,210,481.49/1,669,963.01 = 720,352.77/x
  3. Step 3: Cross multiply
    1,210,481.49x = 1,669,963.01 × 720,352.77
  4. Step 4: Simplify right side
    1,210,481.49x = 1,202,962,481,974.62
  5. Step 5: Solve for x
    x = 1,202,962,481,974.62/1,210,481.49
  6. Step 6: Final answer
    x = 993,788.41

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1.5x scale

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.