Home / 1,293,055.79-1,784,289.26-720,149.27

Finding the Fourth Proportional to 1,293,055.79, 1,784,289.26 and 720,149.27

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Solution

The fourth proportional to 1,293,055.79, 1,784,289.26 and 720,149.27 is: 993,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,055.79 : 1,784,289.26 = 720,149.27 : x
  2. Step 2: Convert to fraction form
    1,293,055.79/1,784,289.26 = 720,149.27/x
  3. Step 3: Cross multiply
    1,293,055.79x = 1,784,289.26 × 720,149.27
  4. Step 4: Simplify right side
    1,293,055.79x = 1,284,954,600,936.77
  5. Step 5: Solve for x
    x = 1,284,954,600,936.77/1,293,055.79
  6. Step 6: Final answer
    x = 993,734.85

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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.