Home / 1,557,067.80-2,335,601.70-839,622.45

Finding the Fourth Proportional to 1,557,067.80, 2,335,601.70 and 839,622.45

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Solution

The fourth proportional to 1,557,067.80, 2,335,601.70 and 839,622.45 is: 1,259,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,067.80 : 2,335,601.70 = 839,622.45 : x
  2. Step 2: Convert to fraction form
    1,557,067.80/2,335,601.70 = 839,622.45/x
  3. Step 3: Cross multiply
    1,557,067.80x = 2,335,601.70 × 839,622.45
  4. Step 4: Simplify right side
    1,557,067.80x = 1,961,023,621,578.17
  5. Step 5: Solve for x
    x = 1,961,023,621,578.17/1,557,067.80
  6. Step 6: Final answer
    x = 1,259,433.68

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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.