Home / 1,472,997.12-2,198,742.24-1,263,978.24

Finding the Fourth Proportional to 1,472,997.12, 2,198,742.24 and 1,263,978.24

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Solution

The fourth proportional to 1,472,997.12, 2,198,742.24 and 1,263,978.24 is: 1,886,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,997.12 : 2,198,742.24 = 1,263,978.24 : x
  2. Step 2: Convert to fraction form
    1,472,997.12/2,198,742.24 = 1,263,978.24/x
  3. Step 3: Cross multiply
    1,472,997.12x = 2,198,742.24 × 1,263,978.24
  4. Step 4: Simplify right side
    1,472,997.12x = 2,779,162,346,728.86
  5. Step 5: Solve for x
    x = 2,779,162,346,728.86/1,472,997.12
  6. Step 6: Final answer
    x = 1,886,739.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.