Home / 1,664,936.94-2,297,618.76-900,990.30

Finding the Fourth Proportional to 1,664,936.94, 2,297,618.76 and 900,990.30

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Solution

The fourth proportional to 1,664,936.94, 2,297,618.76 and 900,990.30 is: 1,243,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,936.94 : 2,297,618.76 = 900,990.30 : x
  2. Step 2: Convert to fraction form
    1,664,936.94/2,297,618.76 = 900,990.30/x
  3. Step 3: Cross multiply
    1,664,936.94x = 2,297,618.76 × 900,990.30
  4. Step 4: Simplify right side
    1,664,936.94x = 2,070,132,215,858.03
  5. Step 5: Solve for x
    x = 2,070,132,215,858.03/1,664,936.94
  6. Step 6: Final answer
    x = 1,243,369.74

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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.