Home / 1,216,815.06-1,825,083.14-318,343.50

Finding the Fourth Proportional to 1,216,815.06, 1,825,083.14 and 318,343.50

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Solution

The fourth proportional to 1,216,815.06, 1,825,083.14 and 318,343.50 is: 477,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,815.06 : 1,825,083.14 = 318,343.50 : x
  2. Step 2: Convert to fraction form
    1,216,815.06/1,825,083.14 = 318,343.50/x
  3. Step 3: Cross multiply
    1,216,815.06x = 1,825,083.14 × 318,343.50
  4. Step 4: Simplify right side
    1,216,815.06x = 581,003,354,578.59
  5. Step 5: Solve for x
    x = 581,003,354,578.59/1,216,815.06
  6. Step 6: Final answer
    x = 477,478.77

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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.