Home / 1,216,812.07-1,825,078.65-318,340.51

Finding the Fourth Proportional to 1,216,812.07, 1,825,078.65 and 318,340.51

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Solution

The fourth proportional to 1,216,812.07, 1,825,078.65 and 318,340.51 is: 477,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,812.07 : 1,825,078.65 = 318,340.51 : x
  2. Step 2: Convert to fraction form
    1,216,812.07/1,825,078.65 = 318,340.51/x
  3. Step 3: Cross multiply
    1,216,812.07x = 1,825,078.65 × 318,340.51
  4. Step 4: Simplify right side
    1,216,812.07x = 580,996,468,231.11
  5. Step 5: Solve for x
    x = 580,996,468,231.11/1,216,812.07
  6. Step 6: Final answer
    x = 477,474.28

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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.