Home / 1,664,637.81-2,297,201.49-1,155,635.43

Finding the Fourth Proportional to 1,664,637.81, 2,297,201.49 and 1,155,635.43

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Solution

The fourth proportional to 1,664,637.81, 2,297,201.49 and 1,155,635.43 is: 1,594,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,637.81 : 2,297,201.49 = 1,155,635.43 : x
  2. Step 2: Convert to fraction form
    1,664,637.81/2,297,201.49 = 1,155,635.43/x
  3. Step 3: Cross multiply
    1,664,637.81x = 2,297,201.49 × 1,155,635.43
  4. Step 4: Simplify right side
    1,664,637.81x = 2,654,727,431,692.79
  5. Step 5: Solve for x
    x = 2,654,727,431,692.79/1,664,637.81
  6. Step 6: Final answer
    x = 1,594,777.80

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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.