Home / 1,325,737.64-1,987,063.71-757,516.77

Finding the Fourth Proportional to 1,325,737.64, 1,987,063.71 and 757,516.77

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Solution

The fourth proportional to 1,325,737.64, 1,987,063.71 and 757,516.77 is: 1,135,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,737.64 : 1,987,063.71 = 757,516.77 : x
  2. Step 2: Convert to fraction form
    1,325,737.64/1,987,063.71 = 757,516.77/x
  3. Step 3: Cross multiply
    1,325,737.64x = 1,987,063.71 × 757,516.77
  4. Step 4: Simplify right side
    1,325,737.64x = 1,505,234,083,383.42
  5. Step 5: Solve for x
    x = 1,505,234,083,383.42/1,325,737.64
  6. Step 6: Final answer
    x = 1,135,393.64

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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.