Home / 1,494,009.20-2,243,346.60-864,153.20

Finding the Fourth Proportional to 1,494,009.20, 2,243,346.60 and 864,153.20

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Solution

The fourth proportional to 1,494,009.20, 2,243,346.60 and 864,153.20 is: 1,297,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,009.20 : 2,243,346.60 = 864,153.20 : x
  2. Step 2: Convert to fraction form
    1,494,009.20/2,243,346.60 = 864,153.20/x
  3. Step 3: Cross multiply
    1,494,009.20x = 2,243,346.60 × 864,153.20
  4. Step 4: Simplify right side
    1,494,009.20x = 1,938,595,143,099.12
  5. Step 5: Solve for x
    x = 1,938,595,143,099.12/1,494,009.20
  6. Step 6: Final answer
    x = 1,297,579.12

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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.