Home / 1,276,410.41-1,914,843.30-423,533.20

Finding the Fourth Proportional to 1,276,410.41, 1,914,843.30 and 423,533.20

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Solution

The fourth proportional to 1,276,410.41, 1,914,843.30 and 423,533.20 is: 635,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,410.41 : 1,914,843.30 = 423,533.20 : x
  2. Step 2: Convert to fraction form
    1,276,410.41/1,914,843.30 = 423,533.20/x
  3. Step 3: Cross multiply
    1,276,410.41x = 1,914,843.30 × 423,533.20
  4. Step 4: Simplify right side
    1,276,410.41x = 810,999,710,347.56
  5. Step 5: Solve for x
    x = 810,999,710,347.56/1,276,410.41
  6. Step 6: Final answer
    x = 635,375.35

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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.