Home / 1,259,473.20-1,892,896.20-1,097,271.60

Finding the Fourth Proportional to 1,259,473.20, 1,892,896.20 and 1,097,271.60

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Solution

The fourth proportional to 1,259,473.20, 1,892,896.20 and 1,097,271.60 is: 1,649,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,473.20 : 1,892,896.20 = 1,097,271.60 : x
  2. Step 2: Convert to fraction form
    1,259,473.20/1,892,896.20 = 1,097,271.60/x
  3. Step 3: Cross multiply
    1,259,473.20x = 1,892,896.20 × 1,097,271.60
  4. Step 4: Simplify right side
    1,259,473.20x = 2,077,021,242,007.92
  5. Step 5: Solve for x
    x = 2,077,021,242,007.92/1,259,473.20
  6. Step 6: Final answer
    x = 1,649,119.05

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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.