Home / 1,259,804.34-1,890,490.23-511,850.34

Finding the Fourth Proportional to 1,259,804.34, 1,890,490.23 and 511,850.34

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Solution

The fourth proportional to 1,259,804.34, 1,890,490.23 and 511,850.34 is: 768,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,804.34 : 1,890,490.23 = 511,850.34 : x
  2. Step 2: Convert to fraction form
    1,259,804.34/1,890,490.23 = 511,850.34/x
  3. Step 3: Cross multiply
    1,259,804.34x = 1,890,490.23 × 511,850.34
  4. Step 4: Simplify right side
    1,259,804.34x = 967,648,054,980.48
  5. Step 5: Solve for x
    x = 967,648,054,980.48/1,259,804.34
  6. Step 6: Final answer
    x = 768,093.92

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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.