Home / 1,028,246.88-1,542,435.66-318,215.28

Finding the Fourth Proportional to 1,028,246.88, 1,542,435.66 and 318,215.28

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Solution

The fourth proportional to 1,028,246.88, 1,542,435.66 and 318,215.28 is: 477,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,246.88 : 1,542,435.66 = 318,215.28 : x
  2. Step 2: Convert to fraction form
    1,028,246.88/1,542,435.66 = 318,215.28/x
  3. Step 3: Cross multiply
    1,028,246.88x = 1,542,435.66 × 318,215.28
  4. Step 4: Simplify right side
    1,028,246.88x = 490,826,595,428.89
  5. Step 5: Solve for x
    x = 490,826,595,428.89/1,028,246.88
  6. Step 6: Final answer
    x = 477,343.14

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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.