Home / 1,207,961.69-1,807,999.74-888,028.86

Finding the Fourth Proportional to 1,207,961.69, 1,807,999.74 and 888,028.86

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Solution

The fourth proportional to 1,207,961.69, 1,807,999.74 and 888,028.86 is: 1,329,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,961.69 : 1,807,999.74 = 888,028.86 : x
  2. Step 2: Convert to fraction form
    1,207,961.69/1,807,999.74 = 888,028.86/x
  3. Step 3: Cross multiply
    1,207,961.69x = 1,807,999.74 × 888,028.86
  4. Step 4: Simplify right side
    1,207,961.69x = 1,605,555,947,992.50
  5. Step 5: Solve for x
    x = 1,605,555,947,992.50/1,207,961.69
  6. Step 6: Final answer
    x = 1,329,144.76

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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.