Home / 1,216,813.44-1,825,080.72-318,341.88

Finding the Fourth Proportional to 1,216,813.44, 1,825,080.72 and 318,341.88

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Solution

The fourth proportional to 1,216,813.44, 1,825,080.72 and 318,341.88 is: 477,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,813.44 : 1,825,080.72 = 318,341.88 : x
  2. Step 2: Convert to fraction form
    1,216,813.44/1,825,080.72 = 318,341.88/x
  3. Step 3: Cross multiply
    1,216,813.44x = 1,825,080.72 × 318,341.88
  4. Step 4: Simplify right side
    1,216,813.44x = 580,999,627,556.55
  5. Step 5: Solve for x
    x = 580,999,627,556.55/1,216,813.44
  6. Step 6: Final answer
    x = 477,476.34

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1.5x scale

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.