Home / 1,026,415.32-1,539,709.14-378,168

Finding the Fourth Proportional to 1,026,415.32, 1,539,709.14 and 378,168

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Solution

The fourth proportional to 1,026,415.32, 1,539,709.14 and 378,168 is: 567,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,415.32 : 1,539,709.14 = 378,168 : x
  2. Step 2: Convert to fraction form
    1,026,415.32/1,539,709.14 = 378,168/x
  3. Step 3: Cross multiply
    1,026,415.32x = 1,539,709.14 × 378,168
  4. Step 4: Simplify right side
    1,026,415.32x = 582,268,726,055.52
  5. Step 5: Solve for x
    x = 582,268,726,055.52/1,026,415.32
  6. Step 6: Final answer
    x = 567,283.74

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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.