Home / 1,259,468.20-1,892,888.70-1,097,266.60

Finding the Fourth Proportional to 1,259,468.20, 1,892,888.70 and 1,097,266.60

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Solution

The fourth proportional to 1,259,468.20, 1,892,888.70 and 1,097,266.60 is: 1,649,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,468.20 : 1,892,888.70 = 1,097,266.60 : x
  2. Step 2: Convert to fraction form
    1,259,468.20/1,892,888.70 = 1,097,266.60/x
  3. Step 3: Cross multiply
    1,259,468.20x = 1,892,888.70 × 1,097,266.60
  4. Step 4: Simplify right side
    1,259,468.20x = 2,077,003,548,027.42
  5. Step 5: Solve for x
    x = 2,077,003,548,027.42/1,259,468.20
  6. Step 6: Final answer
    x = 1,649,111.54

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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.