Home / 1,007,597.37-1,511,879.93-628,420.78

Finding the Fourth Proportional to 1,007,597.37, 1,511,879.93 and 628,420.78

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Solution

The fourth proportional to 1,007,597.37, 1,511,879.93 and 628,420.78 is: 942,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,597.37 : 1,511,879.93 = 628,420.78 : x
  2. Step 2: Convert to fraction form
    1,007,597.37/1,511,879.93 = 628,420.78/x
  3. Step 3: Cross multiply
    1,007,597.37x = 1,511,879.93 × 628,420.78
  4. Step 4: Simplify right side
    1,007,597.37x = 950,096,769,516.14
  5. Step 5: Solve for x
    x = 950,096,769,516.14/1,007,597.37
  6. Step 6: Final answer
    x = 942,932.96

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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.