Home / 1,379,941.01-1,904,318.69-768,080.60

Finding the Fourth Proportional to 1,379,941.01, 1,904,318.69 and 768,080.60

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Solution

The fourth proportional to 1,379,941.01, 1,904,318.69 and 768,080.60 is: 1,059,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,941.01 : 1,904,318.69 = 768,080.60 : x
  2. Step 2: Convert to fraction form
    1,379,941.01/1,904,318.69 = 768,080.60/x
  3. Step 3: Cross multiply
    1,379,941.01x = 1,904,318.69 × 768,080.60
  4. Step 4: Simplify right side
    1,379,941.01x = 1,462,670,228,644.42
  5. Step 5: Solve for x
    x = 1,462,670,228,644.42/1,379,941.01
  6. Step 6: Final answer
    x = 1,059,951.28

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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.