Home / 1,379,954.53-1,904,337.01-768,094.14

Finding the Fourth Proportional to 1,379,954.53, 1,904,337.01 and 768,094.14

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Solution

The fourth proportional to 1,379,954.53, 1,904,337.01 and 768,094.14 is: 1,059,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,954.53 : 1,904,337.01 = 768,094.14 : x
  2. Step 2: Convert to fraction form
    1,379,954.53/1,904,337.01 = 768,094.14/x
  3. Step 3: Cross multiply
    1,379,954.53x = 1,904,337.01 × 768,094.14
  4. Step 4: Simplify right side
    1,379,954.53x = 1,462,710,097,966.12
  5. Step 5: Solve for x
    x = 1,462,710,097,966.12/1,379,954.53
  6. Step 6: Final answer
    x = 1,059,969.78

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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.