Home / 1,575,661.28-2,175,418.19-1,285,964.89

Finding the Fourth Proportional to 1,575,661.28, 2,175,418.19 and 1,285,964.89

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Solution

The fourth proportional to 1,575,661.28, 2,175,418.19 and 1,285,964.89 is: 1,775,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,661.28 : 2,175,418.19 = 1,285,964.89 : x
  2. Step 2: Convert to fraction form
    1,575,661.28/2,175,418.19 = 1,285,964.89/x
  3. Step 3: Cross multiply
    1,575,661.28x = 2,175,418.19 × 1,285,964.89
  4. Step 4: Simplify right side
    1,575,661.28x = 2,797,511,413,407.35
  5. Step 5: Solve for x
    x = 2,797,511,413,407.35/1,575,661.28
  6. Step 6: Final answer
    x = 1,775,452.28

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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.