Home / 1,379,911.02-1,904,262.66-768,054.03

Finding the Fourth Proportional to 1,379,911.02, 1,904,262.66 and 768,054.03

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Solution

The fourth proportional to 1,379,911.02, 1,904,262.66 and 768,054.03 is: 1,059,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,911.02 : 1,904,262.66 = 768,054.03 : x
  2. Step 2: Convert to fraction form
    1,379,911.02/1,904,262.66 = 768,054.03/x
  3. Step 3: Cross multiply
    1,379,911.02x = 1,904,262.66 × 768,054.03
  4. Step 4: Simplify right side
    1,379,911.02x = 1,462,576,610,191.52
  5. Step 5: Solve for x
    x = 1,462,576,610,191.52/1,379,911.02
  6. Step 6: Final answer
    x = 1,059,906.46

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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.