Home / 1,420,215.12-2,126,188.44-744,694.56

Finding the Fourth Proportional to 1,420,215.12, 2,126,188.44 and 744,694.56

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Solution

The fourth proportional to 1,420,215.12, 2,126,188.44 and 744,694.56 is: 1,114,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,215.12 : 2,126,188.44 = 744,694.56 : x
  2. Step 2: Convert to fraction form
    1,420,215.12/2,126,188.44 = 744,694.56/x
  3. Step 3: Cross multiply
    1,420,215.12x = 2,126,188.44 × 744,694.56
  4. Step 4: Simplify right side
    1,420,215.12x = 1,583,360,964,802.89
  5. Step 5: Solve for x
    x = 1,583,360,964,802.89/1,420,215.12
  6. Step 6: Final answer
    x = 1,114,874.04

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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.