Home / 1,216,810.46-1,825,076.26-318,338.91

Finding the Fourth Proportional to 1,216,810.46, 1,825,076.26 and 318,338.91

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Solution

The fourth proportional to 1,216,810.46, 1,825,076.26 and 318,338.91 is: 477,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,810.46 : 1,825,076.26 = 318,338.91 : x
  2. Step 2: Convert to fraction form
    1,216,810.46/1,825,076.26 = 318,338.91/x
  3. Step 3: Cross multiply
    1,216,810.46x = 1,825,076.26 × 318,338.91
  4. Step 4: Simplify right side
    1,216,810.46x = 580,992,787,275.28
  5. Step 5: Solve for x
    x = 580,992,787,275.28/1,216,810.46
  6. Step 6: Final answer
    x = 477,471.89

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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.