Home / 1,520,261.22-2,281,290.36-561,388.42

Finding the Fourth Proportional to 1,520,261.22, 2,281,290.36 and 561,388.42

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Solution

The fourth proportional to 1,520,261.22, 2,281,290.36 and 561,388.42 is: 842,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,261.22 : 2,281,290.36 = 561,388.42 : x
  2. Step 2: Convert to fraction form
    1,520,261.22/2,281,290.36 = 561,388.42/x
  3. Step 3: Cross multiply
    1,520,261.22x = 2,281,290.36 × 561,388.42
  4. Step 4: Simplify right side
    1,520,261.22x = 1,280,689,990,761.63
  5. Step 5: Solve for x
    x = 1,280,689,990,761.63/1,520,261.22
  6. Step 6: Final answer
    x = 842,414.43

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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.