Home / 1,206,817.56-1,665,354.42-723,649.32

Finding the Fourth Proportional to 1,206,817.56, 1,665,354.42 and 723,649.32

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Solution

The fourth proportional to 1,206,817.56, 1,665,354.42 and 723,649.32 is: 998,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,817.56 : 1,665,354.42 = 723,649.32 : x
  2. Step 2: Convert to fraction form
    1,206,817.56/1,665,354.42 = 723,649.32/x
  3. Step 3: Cross multiply
    1,206,817.56x = 1,665,354.42 × 723,649.32
  4. Step 4: Simplify right side
    1,206,817.56x = 1,205,132,593,591.99
  5. Step 5: Solve for x
    x = 1,205,132,593,591.99/1,206,817.56
  6. Step 6: Final answer
    x = 998,603.79

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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.