Home / 799,213.60-1,100,669.52-781,795.36

Finding the Fourth Proportional to 799,213.60, 1,100,669.52 and 781,795.36

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Solution

The fourth proportional to 799,213.60, 1,100,669.52 and 781,795.36 is: 1,076,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,213.60 : 1,100,669.52 = 781,795.36 : x
  2. Step 2: Convert to fraction form
    799,213.60/1,100,669.52 = 781,795.36/x
  3. Step 3: Cross multiply
    799,213.60x = 1,100,669.52 × 781,795.36
  4. Step 4: Simplify right side
    799,213.60x = 860,498,323,629.43
  5. Step 5: Solve for x
    x = 860,498,323,629.43/799,213.60
  6. Step 6: Final answer
    x = 1,076,681.28

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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.