Home / 1,082,372.88-1,623,500.54-408,437.89

Finding the Fourth Proportional to 1,082,372.88, 1,623,500.54 and 408,437.89

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Solution

The fourth proportional to 1,082,372.88, 1,623,500.54 and 408,437.89 is: 612,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,372.88 : 1,623,500.54 = 408,437.89 : x
  2. Step 2: Convert to fraction form
    1,082,372.88/1,623,500.54 = 408,437.89/x
  3. Step 3: Cross multiply
    1,082,372.88x = 1,623,500.54 × 408,437.89
  4. Step 4: Simplify right side
    1,082,372.88x = 663,099,140,683.08
  5. Step 5: Solve for x
    x = 663,099,140,683.08/1,082,372.88
  6. Step 6: Final answer
    x = 612,634.66

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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.