Home / 1,008,051.35-1,512,077.03-905,408.15

Finding the Fourth Proportional to 1,008,051.35, 1,512,077.03 and 905,408.15

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Solution

The fourth proportional to 1,008,051.35, 1,512,077.03 and 905,408.15 is: 1,358,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,051.35 : 1,512,077.03 = 905,408.15 : x
  2. Step 2: Convert to fraction form
    1,008,051.35/1,512,077.03 = 905,408.15/x
  3. Step 3: Cross multiply
    1,008,051.35x = 1,512,077.03 × 905,408.15
  4. Step 4: Simplify right side
    1,008,051.35x = 1,369,046,861,862.75
  5. Step 5: Solve for x
    x = 1,369,046,861,862.75/1,008,051.35
  6. Step 6: Final answer
    x = 1,358,112.23

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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.