Home / 1,269,365.37-1,903,977.78-928,158.54

Finding the Fourth Proportional to 1,269,365.37, 1,903,977.78 and 928,158.54

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Solution

The fourth proportional to 1,269,365.37, 1,903,977.78 and 928,158.54 is: 1,392,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,365.37 : 1,903,977.78 = 928,158.54 : x
  2. Step 2: Convert to fraction form
    1,269,365.37/1,903,977.78 = 928,158.54/x
  3. Step 3: Cross multiply
    1,269,365.37x = 1,903,977.78 × 928,158.54
  4. Step 4: Simplify right side
    1,269,365.37x = 1,767,193,236,477.24
  5. Step 5: Solve for x
    x = 1,767,193,236,477.24/1,269,365.37
  6. Step 6: Final answer
    x = 1,392,186.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.