Home / 1,433,735.64-1,978,550.55-789,156.27

Finding the Fourth Proportional to 1,433,735.64, 1,978,550.55 and 789,156.27

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Solution

The fourth proportional to 1,433,735.64, 1,978,550.55 and 789,156.27 is: 1,089,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,735.64 : 1,978,550.55 = 789,156.27 : x
  2. Step 2: Convert to fraction form
    1,433,735.64/1,978,550.55 = 789,156.27/x
  3. Step 3: Cross multiply
    1,433,735.64x = 1,978,550.55 × 789,156.27
  4. Step 4: Simplify right side
    1,433,735.64x = 1,561,385,572,044.45
  5. Step 5: Solve for x
    x = 1,561,385,572,044.45/1,433,735.64
  6. Step 6: Final answer
    x = 1,089,033.10

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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.