Home / 1,433,816.24-1,978,651.40-789,222.60

Finding the Fourth Proportional to 1,433,816.24, 1,978,651.40 and 789,222.60

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Solution

The fourth proportional to 1,433,816.24, 1,978,651.40 and 789,222.60 is: 1,089,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,816.24 : 1,978,651.40 = 789,222.60 : x
  2. Step 2: Convert to fraction form
    1,433,816.24/1,978,651.40 = 789,222.60/x
  3. Step 3: Cross multiply
    1,433,816.24x = 1,978,651.40 × 789,222.60
  4. Step 4: Simplify right side
    1,433,816.24x = 1,561,596,402,401.64
  5. Step 5: Solve for x
    x = 1,561,596,402,401.64/1,433,816.24
  6. Step 6: Final answer
    x = 1,089,118.93

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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.