Home / 1,338,118.56-2,006,107.41-698,101.11

Finding the Fourth Proportional to 1,338,118.56, 2,006,107.41 and 698,101.11

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Solution

The fourth proportional to 1,338,118.56, 2,006,107.41 and 698,101.11 is: 1,046,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,118.56 : 2,006,107.41 = 698,101.11 : x
  2. Step 2: Convert to fraction form
    1,338,118.56/2,006,107.41 = 698,101.11/x
  3. Step 3: Cross multiply
    1,338,118.56x = 2,006,107.41 × 698,101.11
  4. Step 4: Simplify right side
    1,338,118.56x = 1,400,465,809,700.23
  5. Step 5: Solve for x
    x = 1,400,465,809,700.23/1,338,118.56
  6. Step 6: Final answer
    x = 1,046,593.22

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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.