Home / 1,433,791.01-1,978,632.16-789,206.58

Finding the Fourth Proportional to 1,433,791.01, 1,978,632.16 and 789,206.58

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Solution

The fourth proportional to 1,433,791.01, 1,978,632.16 and 789,206.58 is: 1,089,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,791.01 : 1,978,632.16 = 789,206.58 : x
  2. Step 2: Convert to fraction form
    1,433,791.01/1,978,632.16 = 789,206.58/x
  3. Step 3: Cross multiply
    1,433,791.01x = 1,978,632.16 × 789,206.58
  4. Step 4: Simplify right side
    1,433,791.01x = 1,561,549,518,098.60
  5. Step 5: Solve for x
    x = 1,561,549,518,098.60/1,433,791.01
  6. Step 6: Final answer
    x = 1,089,105.39

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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.