Home / 1,556,139.03-2,147,481.62-867,854.58

Finding the Fourth Proportional to 1,556,139.03, 2,147,481.62 and 867,854.58

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Solution

The fourth proportional to 1,556,139.03, 2,147,481.62 and 867,854.58 is: 1,197,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,139.03 : 2,147,481.62 = 867,854.58 : x
  2. Step 2: Convert to fraction form
    1,556,139.03/2,147,481.62 = 867,854.58/x
  3. Step 3: Cross multiply
    1,556,139.03x = 2,147,481.62 × 867,854.58
  4. Step 4: Simplify right side
    1,556,139.03x = 1,863,701,755,043.55
  5. Step 5: Solve for x
    x = 1,863,701,755,043.55/1,556,139.03
  6. Step 6: Final answer
    x = 1,197,644.76

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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.