Home / 1,516,184.82-2,274,268.05-378,941.31

Finding the Fourth Proportional to 1,516,184.82, 2,274,268.05 and 378,941.31

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Solution

The fourth proportional to 1,516,184.82, 2,274,268.05 and 378,941.31 is: 568,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,184.82 : 2,274,268.05 = 378,941.31 : x
  2. Step 2: Convert to fraction form
    1,516,184.82/2,274,268.05 = 378,941.31/x
  3. Step 3: Cross multiply
    1,516,184.82x = 2,274,268.05 × 378,941.31
  4. Step 4: Simplify right side
    1,516,184.82x = 861,814,114,158.15
  5. Step 5: Solve for x
    x = 861,814,114,158.15/1,516,184.82
  6. Step 6: Final answer
    x = 568,409.67

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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.