Home / 1,557,659-2,149,569.42-842,267

Finding the Fourth Proportional to 1,557,659, 2,149,569.42 and 842,267

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Solution

The fourth proportional to 1,557,659, 2,149,569.42 and 842,267 is: 1,162,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,659 : 2,149,569.42 = 842,267 : x
  2. Step 2: Convert to fraction form
    1,557,659/2,149,569.42 = 842,267/x
  3. Step 3: Cross multiply
    1,557,659x = 2,149,569.42 × 842,267
  4. Step 4: Simplify right side
    1,557,659x = 1,810,511,386,675.14
  5. Step 5: Solve for x
    x = 1,810,511,386,675.14/1,557,659
  6. Step 6: Final answer
    x = 1,162,328.46

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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.