Home / 1,693,629.81-2,540,525.31-540,998.80

Finding the Fourth Proportional to 1,693,629.81, 2,540,525.31 and 540,998.80

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Solution

The fourth proportional to 1,693,629.81, 2,540,525.31 and 540,998.80 is: 811,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,629.81 : 2,540,525.31 = 540,998.80 : x
  2. Step 2: Convert to fraction form
    1,693,629.81/2,540,525.31 = 540,998.80/x
  3. Step 3: Cross multiply
    1,693,629.81x = 2,540,525.31 × 540,998.80
  4. Step 4: Simplify right side
    1,693,629.81x = 1,374,421,137,728.31
  5. Step 5: Solve for x
    x = 1,374,421,137,728.31/1,693,629.81
  6. Step 6: Final answer
    x = 811,523.94

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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.