Home / 1,379,530.55-2,069,607.22-420,071.94

Finding the Fourth Proportional to 1,379,530.55, 2,069,607.22 and 420,071.94

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Solution

The fourth proportional to 1,379,530.55, 2,069,607.22 and 420,071.94 is: 630,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,530.55 : 2,069,607.22 = 420,071.94 : x
  2. Step 2: Convert to fraction form
    1,379,530.55/2,069,607.22 = 420,071.94/x
  3. Step 3: Cross multiply
    1,379,530.55x = 2,069,607.22 × 420,071.94
  4. Step 4: Simplify right side
    1,379,530.55x = 869,383,918,893.23
  5. Step 5: Solve for x
    x = 869,383,918,893.23/1,379,530.55
  6. Step 6: Final answer
    x = 630,202.73

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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.