Home / 1,146,260.85-1,719,285.84-388,015.71

Finding the Fourth Proportional to 1,146,260.85, 1,719,285.84 and 388,015.71

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Solution

The fourth proportional to 1,146,260.85, 1,719,285.84 and 388,015.71 is: 581,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,260.85 : 1,719,285.84 = 388,015.71 : x
  2. Step 2: Convert to fraction form
    1,146,260.85/1,719,285.84 = 388,015.71/x
  3. Step 3: Cross multiply
    1,146,260.85x = 1,719,285.84 × 388,015.71
  4. Step 4: Simplify right side
    1,146,260.85x = 667,109,915,900.55
  5. Step 5: Solve for x
    x = 667,109,915,900.55/1,146,260.85
  6. Step 6: Final answer
    x = 581,987.87

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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.