Home / 1,118,128.05-1,542,623.27-731,169.99

Finding the Fourth Proportional to 1,118,128.05, 1,542,623.27 and 731,169.99

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Solution

The fourth proportional to 1,118,128.05, 1,542,623.27 and 731,169.99 is: 1,008,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,128.05 : 1,542,623.27 = 731,169.99 : x
  2. Step 2: Convert to fraction form
    1,118,128.05/1,542,623.27 = 731,169.99/x
  3. Step 3: Cross multiply
    1,118,128.05x = 1,542,623.27 × 731,169.99
  4. Step 4: Simplify right side
    1,118,128.05x = 1,127,919,837,243.82
  5. Step 5: Solve for x
    x = 1,127,919,837,243.82/1,118,128.05
  6. Step 6: Final answer
    x = 1,008,757.30

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