Home / 1,618,922.64-2,427,960.63-481,378.47

Finding the Fourth Proportional to 1,618,922.64, 2,427,960.63 and 481,378.47

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Solution

The fourth proportional to 1,618,922.64, 2,427,960.63 and 481,378.47 is: 721,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,922.64 : 2,427,960.63 = 481,378.47 : x
  2. Step 2: Convert to fraction form
    1,618,922.64/2,427,960.63 = 481,378.47/x
  3. Step 3: Cross multiply
    1,618,922.64x = 2,427,960.63 × 481,378.47
  4. Step 4: Simplify right side
    1,618,922.64x = 1,168,767,973,289.64
  5. Step 5: Solve for x
    x = 1,168,767,973,289.64/1,618,922.64
  6. Step 6: Final answer
    x = 721,941.83

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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.