Home / 1,206,577.77-1,809,866.07-308,019.21

Finding the Fourth Proportional to 1,206,577.77, 1,809,866.07 and 308,019.21

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Solution

The fourth proportional to 1,206,577.77, 1,809,866.07 and 308,019.21 is: 462,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,577.77 : 1,809,866.07 = 308,019.21 : x
  2. Step 2: Convert to fraction form
    1,206,577.77/1,809,866.07 = 308,019.21/x
  3. Step 3: Cross multiply
    1,206,577.77x = 1,809,866.07 × 308,019.21
  4. Step 4: Simplify right side
    1,206,577.77x = 557,473,517,087.21
  5. Step 5: Solve for x
    x = 557,473,517,087.21/1,206,577.77
  6. Step 6: Final answer
    x = 462,028.67

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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.