Home / 1,076,212.08-1,485,172.60-623,765.52

Finding the Fourth Proportional to 1,076,212.08, 1,485,172.60 and 623,765.52

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Solution

The fourth proportional to 1,076,212.08, 1,485,172.60 and 623,765.52 is: 860,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,212.08 : 1,485,172.60 = 623,765.52 : x
  2. Step 2: Convert to fraction form
    1,076,212.08/1,485,172.60 = 623,765.52/x
  3. Step 3: Cross multiply
    1,076,212.08x = 1,485,172.60 × 623,765.52
  4. Step 4: Simplify right side
    1,076,212.08x = 926,399,459,128.75
  5. Step 5: Solve for x
    x = 926,399,459,128.75/1,076,212.08
  6. Step 6: Final answer
    x = 860,796.38

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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.