Home / 1,089,112.02-1,633,138.28-657,274.49

Finding the Fourth Proportional to 1,089,112.02, 1,633,138.28 and 657,274.49

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Solution

The fourth proportional to 1,089,112.02, 1,633,138.28 and 657,274.49 is: 985,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,112.02 : 1,633,138.28 = 657,274.49 : x
  2. Step 2: Convert to fraction form
    1,089,112.02/1,633,138.28 = 657,274.49/x
  3. Step 3: Cross multiply
    1,089,112.02x = 1,633,138.28 × 657,274.49
  4. Step 4: Simplify right side
    1,089,112.02x = 1,073,420,130,086.48
  5. Step 5: Solve for x
    x = 1,073,420,130,086.48/1,089,112.02
  6. Step 6: Final answer
    x = 985,592.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.