Home / 1,423,372.32-2,135,782.56-624,446.64

Finding the Fourth Proportional to 1,423,372.32, 2,135,782.56 and 624,446.64

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Solution

The fourth proportional to 1,423,372.32, 2,135,782.56 and 624,446.64 is: 936,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,372.32 : 2,135,782.56 = 624,446.64 : x
  2. Step 2: Convert to fraction form
    1,423,372.32/2,135,782.56 = 624,446.64/x
  3. Step 3: Cross multiply
    1,423,372.32x = 2,135,782.56 × 624,446.64
  4. Step 4: Simplify right side
    1,423,372.32x = 1,333,682,243,362.60
  5. Step 5: Solve for x
    x = 1,333,682,243,362.60/1,423,372.32
  6. Step 6: Final answer
    x = 936,987.62

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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.