Home / 1,619,821.20-2,430,023.40-673,287.60

Finding the Fourth Proportional to 1,619,821.20, 2,430,023.40 and 673,287.60

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Solution

The fourth proportional to 1,619,821.20, 2,430,023.40 and 673,287.60 is: 1,010,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,821.20 : 2,430,023.40 = 673,287.60 : x
  2. Step 2: Convert to fraction form
    1,619,821.20/2,430,023.40 = 673,287.60/x
  3. Step 3: Cross multiply
    1,619,821.20x = 2,430,023.40 × 673,287.60
  4. Step 4: Simplify right side
    1,619,821.20x = 1,636,104,622,929.84
  5. Step 5: Solve for x
    x = 1,636,104,622,929.84/1,619,821.20
  6. Step 6: Final answer
    x = 1,010,052.61

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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.