Home / 1,498,245-2,067,578.10-819,181.50

Finding the Fourth Proportional to 1,498,245, 2,067,578.10 and 819,181.50

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Solution

The fourth proportional to 1,498,245, 2,067,578.10 and 819,181.50 is: 1,130,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,245 : 2,067,578.10 = 819,181.50 : x
  2. Step 2: Convert to fraction form
    1,498,245/2,067,578.10 = 819,181.50/x
  3. Step 3: Cross multiply
    1,498,245x = 2,067,578.10 × 819,181.50
  4. Step 4: Simplify right side
    1,498,245x = 1,693,721,729,325.15
  5. Step 5: Solve for x
    x = 1,693,721,729,325.15/1,498,245
  6. Step 6: Final answer
    x = 1,130,470.47

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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.