Home / 1,008,049.23-1,512,073.85-905,406.03

Finding the Fourth Proportional to 1,008,049.23, 1,512,073.85 and 905,406.03

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Solution

The fourth proportional to 1,008,049.23, 1,512,073.85 and 905,406.03 is: 1,358,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,049.23 : 1,512,073.85 = 905,406.03 : x
  2. Step 2: Convert to fraction form
    1,008,049.23/1,512,073.85 = 905,406.03/x
  3. Step 3: Cross multiply
    1,008,049.23x = 1,512,073.85 × 905,406.03
  4. Step 4: Simplify right side
    1,008,049.23x = 1,369,040,781,595.32
  5. Step 5: Solve for x
    x = 1,369,040,781,595.32/1,008,049.23
  6. Step 6: Final answer
    x = 1,358,109.05

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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.