Home / 1,352,242.58-2,028,788.31-813,119.54

Finding the Fourth Proportional to 1,352,242.58, 2,028,788.31 and 813,119.54

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Solution

The fourth proportional to 1,352,242.58, 2,028,788.31 and 813,119.54 is: 1,219,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,242.58 : 2,028,788.31 = 813,119.54 : x
  2. Step 2: Convert to fraction form
    1,352,242.58/2,028,788.31 = 813,119.54/x
  3. Step 3: Cross multiply
    1,352,242.58x = 2,028,788.31 × 813,119.54
  4. Step 4: Simplify right side
    1,352,242.58x = 1,649,647,417,384.58
  5. Step 5: Solve for x
    x = 1,649,647,417,384.58/1,352,242.58
  6. Step 6: Final answer
    x = 1,219,934.53

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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.