Home / 865,555.53-1,297,172.64-673,661.73

Finding the Fourth Proportional to 865,555.53, 1,297,172.64 and 673,661.73

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Solution

The fourth proportional to 865,555.53, 1,297,172.64 and 673,661.73 is: 1,009,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,555.53 : 1,297,172.64 = 673,661.73 : x
  2. Step 2: Convert to fraction form
    865,555.53/1,297,172.64 = 673,661.73/x
  3. Step 3: Cross multiply
    865,555.53x = 1,297,172.64 × 673,661.73
  4. Step 4: Simplify right side
    865,555.53x = 873,855,564,771.07
  5. Step 5: Solve for x
    x = 873,855,564,771.07/865,555.53
  6. Step 6: Final answer
    x = 1,009,589.26

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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.