Home / 1,379,956.54-1,904,339.76-768,096.14

Finding the Fourth Proportional to 1,379,956.54, 1,904,339.76 and 768,096.14

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Solution

The fourth proportional to 1,379,956.54, 1,904,339.76 and 768,096.14 is: 1,059,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,956.54 : 1,904,339.76 = 768,096.14 : x
  2. Step 2: Convert to fraction form
    1,379,956.54/1,904,339.76 = 768,096.14/x
  3. Step 3: Cross multiply
    1,379,956.54x = 1,904,339.76 × 768,096.14
  4. Step 4: Simplify right side
    1,379,956.54x = 1,462,716,018,904.53
  5. Step 5: Solve for x
    x = 1,462,716,018,904.53/1,379,956.54
  6. Step 6: Final answer
    x = 1,059,972.53

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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.