Home / 1,028,678.20-1,542,786.90-676,166.20

Finding the Fourth Proportional to 1,028,678.20, 1,542,786.90 and 676,166.20

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Solution

The fourth proportional to 1,028,678.20, 1,542,786.90 and 676,166.20 is: 1,014,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,678.20 : 1,542,786.90 = 676,166.20 : x
  2. Step 2: Convert to fraction form
    1,028,678.20/1,542,786.90 = 676,166.20/x
  3. Step 3: Cross multiply
    1,028,678.20x = 1,542,786.90 × 676,166.20
  4. Step 4: Simplify right side
    1,028,678.20x = 1,043,180,355,582.78
  5. Step 5: Solve for x
    x = 1,043,180,355,582.78/1,028,678.20
  6. Step 6: Final answer
    x = 1,014,097.85

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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.