Home / 1,146,560.40-1,719,879.48-305,112.96

Finding the Fourth Proportional to 1,146,560.40, 1,719,879.48 and 305,112.96

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Solution

The fourth proportional to 1,146,560.40, 1,719,879.48 and 305,112.96 is: 457,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,560.40 : 1,719,879.48 = 305,112.96 : x
  2. Step 2: Convert to fraction form
    1,146,560.40/1,719,879.48 = 305,112.96/x
  3. Step 3: Cross multiply
    1,146,560.40x = 1,719,879.48 × 305,112.96
  4. Step 4: Simplify right side
    1,146,560.40x = 524,757,518,986.06
  5. Step 5: Solve for x
    x = 524,757,518,986.06/1,146,560.40
  6. Step 6: Final answer
    x = 457,679.79

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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.