Home / 1,516,228.82-2,274,334.04-378,985.32

Finding the Fourth Proportional to 1,516,228.82, 2,274,334.04 and 378,985.32

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Solution

The fourth proportional to 1,516,228.82, 2,274,334.04 and 378,985.32 is: 568,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,228.82 : 2,274,334.04 = 378,985.32 : x
  2. Step 2: Convert to fraction form
    1,516,228.82/2,274,334.04 = 378,985.32/x
  3. Step 3: Cross multiply
    1,516,228.82x = 2,274,334.04 × 378,985.32
  4. Step 4: Simplify right side
    1,516,228.82x = 861,939,213,936.29
  5. Step 5: Solve for x
    x = 861,939,213,936.29/1,516,228.82
  6. Step 6: Final answer
    x = 568,475.68

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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.