Home / 1,026,409.32-1,539,700.11-378,162

Finding the Fourth Proportional to 1,026,409.32, 1,539,700.11 and 378,162

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Solution

The fourth proportional to 1,026,409.32, 1,539,700.11 and 378,162 is: 567,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,409.32 : 1,539,700.11 = 378,162 : x
  2. Step 2: Convert to fraction form
    1,026,409.32/1,539,700.11 = 378,162/x
  3. Step 3: Cross multiply
    1,026,409.32x = 1,539,700.11 × 378,162
  4. Step 4: Simplify right side
    1,026,409.32x = 582,256,072,997.82
  5. Step 5: Solve for x
    x = 582,256,072,997.82/1,026,409.32
  6. Step 6: Final answer
    x = 567,274.73

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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.