Home / 1,297,516.88-1,946,328.30-445,174.62

Finding the Fourth Proportional to 1,297,516.88, 1,946,328.30 and 445,174.62

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Solution

The fourth proportional to 1,297,516.88, 1,946,328.30 and 445,174.62 is: 667,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,516.88 : 1,946,328.30 = 445,174.62 : x
  2. Step 2: Convert to fraction form
    1,297,516.88/1,946,328.30 = 445,174.62/x
  3. Step 3: Cross multiply
    1,297,516.88x = 1,946,328.30 × 445,174.62
  4. Step 4: Simplify right side
    1,297,516.88x = 866,455,961,347.75
  5. Step 5: Solve for x
    x = 866,455,961,347.75/1,297,516.88
  6. Step 6: Final answer
    x = 667,780.11

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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.