Home / 1,376,738.73-1,900,171.44-879,704.91

Finding the Fourth Proportional to 1,376,738.73, 1,900,171.44 and 879,704.91

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Solution

The fourth proportional to 1,376,738.73, 1,900,171.44 and 879,704.91 is: 1,214,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,738.73 : 1,900,171.44 = 879,704.91 : x
  2. Step 2: Convert to fraction form
    1,376,738.73/1,900,171.44 = 879,704.91/x
  3. Step 3: Cross multiply
    1,376,738.73x = 1,900,171.44 × 879,704.91
  4. Step 4: Simplify right side
    1,376,738.73x = 1,671,590,145,609.77
  5. Step 5: Solve for x
    x = 1,671,590,145,609.77/1,376,738.73
  6. Step 6: Final answer
    x = 1,214,166.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.