Home / 1,120,650.42-1,681,191.62-362,679.96

Finding the Fourth Proportional to 1,120,650.42, 1,681,191.62 and 362,679.96

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Solution

The fourth proportional to 1,120,650.42, 1,681,191.62 and 362,679.96 is: 544,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,650.42 : 1,681,191.62 = 362,679.96 : x
  2. Step 2: Convert to fraction form
    1,120,650.42/1,681,191.62 = 362,679.96/x
  3. Step 3: Cross multiply
    1,120,650.42x = 1,681,191.62 × 362,679.96
  4. Step 4: Simplify right side
    1,120,650.42x = 609,734,515,345.05
  5. Step 5: Solve for x
    x = 609,734,515,345.05/1,120,650.42
  6. Step 6: Final answer
    x = 544,089.84

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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.