Home / 1,008,739.32-1,392,018.32-549,843.80

Finding the Fourth Proportional to 1,008,739.32, 1,392,018.32 and 549,843.80

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Solution

The fourth proportional to 1,008,739.32, 1,392,018.32 and 549,843.80 is: 758,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,739.32 : 1,392,018.32 = 549,843.80 : x
  2. Step 2: Convert to fraction form
    1,008,739.32/1,392,018.32 = 549,843.80/x
  3. Step 3: Cross multiply
    1,008,739.32x = 1,392,018.32 × 549,843.80
  4. Step 4: Simplify right side
    1,008,739.32x = 765,392,642,738.42
  5. Step 5: Solve for x
    x = 765,392,642,738.42/1,008,739.32
  6. Step 6: Final answer
    x = 758,761.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.