Home / 1,498,455.54-2,067,865.34-810,127.53

Finding the Fourth Proportional to 1,498,455.54, 2,067,865.34 and 810,127.53

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Solution

The fourth proportional to 1,498,455.54, 2,067,865.34 and 810,127.53 is: 1,117,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,455.54 : 2,067,865.34 = 810,127.53 : x
  2. Step 2: Convert to fraction form
    1,498,455.54/2,067,865.34 = 810,127.53/x
  3. Step 3: Cross multiply
    1,498,455.54x = 2,067,865.34 × 810,127.53
  4. Step 4: Simplify right side
    1,498,455.54x = 1,675,234,636,216.17
  5. Step 5: Solve for x
    x = 1,675,234,636,216.17/1,498,455.54
  6. Step 6: Final answer
    x = 1,117,974.20

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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.