Home / 1,556,135.22-2,148,002.37-911,764.02

Finding the Fourth Proportional to 1,556,135.22, 2,148,002.37 and 911,764.02

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Solution

The fourth proportional to 1,556,135.22, 2,148,002.37 and 911,764.02 is: 1,258,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,135.22 : 2,148,002.37 = 911,764.02 : x
  2. Step 2: Convert to fraction form
    1,556,135.22/2,148,002.37 = 911,764.02/x
  3. Step 3: Cross multiply
    1,556,135.22x = 2,148,002.37 × 911,764.02
  4. Step 4: Simplify right side
    1,556,135.22x = 1,958,471,275,840.73
  5. Step 5: Solve for x
    x = 1,958,471,275,840.73/1,556,135.22
  6. Step 6: Final answer
    x = 1,258,548.26

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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.