Home / 1,419,326.91-2,128,202.69-472,180.59

Finding the Fourth Proportional to 1,419,326.91, 2,128,202.69 and 472,180.59

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Solution

The fourth proportional to 1,419,326.91, 2,128,202.69 and 472,180.59 is: 708,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,326.91 : 2,128,202.69 = 472,180.59 : x
  2. Step 2: Convert to fraction form
    1,419,326.91/2,128,202.69 = 472,180.59/x
  3. Step 3: Cross multiply
    1,419,326.91x = 2,128,202.69 × 472,180.59
  4. Step 4: Simplify right side
    1,419,326.91x = 1,004,895,999,442.88
  5. Step 5: Solve for x
    x = 1,004,895,999,442.88/1,419,326.91
  6. Step 6: Final answer
    x = 708,008.84

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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.