Home / 1,664,938.56-2,297,621-900,991.92

Finding the Fourth Proportional to 1,664,938.56, 2,297,621 and 900,991.92

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Solution

The fourth proportional to 1,664,938.56, 2,297,621 and 900,991.92 is: 1,243,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,938.56 : 2,297,621 = 900,991.92 : x
  2. Step 2: Convert to fraction form
    1,664,938.56/2,297,621 = 900,991.92/x
  3. Step 3: Cross multiply
    1,664,938.56x = 2,297,621 × 900,991.92
  4. Step 4: Simplify right side
    1,664,938.56x = 2,070,137,956,222.32
  5. Step 5: Solve for x
    x = 2,070,137,956,222.32/1,664,938.56
  6. Step 6: Final answer
    x = 1,243,371.98

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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.