Home / 1,664,816.28-2,297,450.46-900,878.04

Finding the Fourth Proportional to 1,664,816.28, 2,297,450.46 and 900,878.04

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Solution

The fourth proportional to 1,664,816.28, 2,297,450.46 and 900,878.04 is: 1,243,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,816.28 : 2,297,450.46 = 900,878.04 : x
  2. Step 2: Convert to fraction form
    1,664,816.28/2,297,450.46 = 900,878.04/x
  3. Step 3: Cross multiply
    1,664,816.28x = 2,297,450.46 × 900,878.04
  4. Step 4: Simplify right side
    1,664,816.28x = 2,069,722,667,401.90
  5. Step 5: Solve for x
    x = 2,069,722,667,401.90/1,664,816.28
  6. Step 6: Final answer
    x = 1,243,213.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.