Home / 1,492,688.54-2,059,414.66-1,216,571.61

Finding the Fourth Proportional to 1,492,688.54, 2,059,414.66 and 1,216,571.61

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Solution

The fourth proportional to 1,492,688.54, 2,059,414.66 and 1,216,571.61 is: 1,678,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,688.54 : 2,059,414.66 = 1,216,571.61 : x
  2. Step 2: Convert to fraction form
    1,492,688.54/2,059,414.66 = 1,216,571.61/x
  3. Step 3: Cross multiply
    1,492,688.54x = 2,059,414.66 × 1,216,571.61
  4. Step 4: Simplify right side
    1,492,688.54x = 2,505,425,405,532.37
  5. Step 5: Solve for x
    x = 2,505,425,405,532.37/1,492,688.54
  6. Step 6: Final answer
    x = 1,678,464.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.