Home / 1,433,704.02-1,978,512.03-789,119.58

Finding the Fourth Proportional to 1,433,704.02, 1,978,512.03 and 789,119.58

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Solution

The fourth proportional to 1,433,704.02, 1,978,512.03 and 789,119.58 is: 1,088,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,704.02 : 1,978,512.03 = 789,119.58 : x
  2. Step 2: Convert to fraction form
    1,433,704.02/1,978,512.03 = 789,119.58/x
  3. Step 3: Cross multiply
    1,433,704.02x = 1,978,512.03 × 789,119.58
  4. Step 4: Simplify right side
    1,433,704.02x = 1,561,282,582,138.55
  5. Step 5: Solve for x
    x = 1,561,282,582,138.55/1,433,704.02
  6. Step 6: Final answer
    x = 1,088,985.29

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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.