Home / 1,311,684.42-1,968,098.45-459,367.50

Finding the Fourth Proportional to 1,311,684.42, 1,968,098.45 and 459,367.50

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Solution

The fourth proportional to 1,311,684.42, 1,968,098.45 and 459,367.50 is: 689,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,684.42 : 1,968,098.45 = 459,367.50 : x
  2. Step 2: Convert to fraction form
    1,311,684.42/1,968,098.45 = 459,367.50/x
  3. Step 3: Cross multiply
    1,311,684.42x = 1,968,098.45 × 459,367.50
  4. Step 4: Simplify right side
    1,311,684.42x = 904,080,462,433.54
  5. Step 5: Solve for x
    x = 904,080,462,433.54/1,311,684.42
  6. Step 6: Final answer
    x = 689,251.51

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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.