Home / 1,008,048.05-1,512,072.08-871,190.45

Finding the Fourth Proportional to 1,008,048.05, 1,512,072.08 and 871,190.45

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Solution

The fourth proportional to 1,008,048.05, 1,512,072.08 and 871,190.45 is: 1,306,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,048.05 : 1,512,072.08 = 871,190.45 : x
  2. Step 2: Convert to fraction form
    1,008,048.05/1,512,072.08 = 871,190.45/x
  3. Step 3: Cross multiply
    1,008,048.05x = 1,512,072.08 × 871,190.45
  4. Step 4: Simplify right side
    1,008,048.05x = 1,317,302,755,807.64
  5. Step 5: Solve for x
    x = 1,317,302,755,807.64/1,008,048.05
  6. Step 6: Final answer
    x = 1,306,785.68

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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.