Home / 1,434,840.24-2,150,784.12-636,497.76

Finding the Fourth Proportional to 1,434,840.24, 2,150,784.12 and 636,497.76

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Solution

The fourth proportional to 1,434,840.24, 2,150,784.12 and 636,497.76 is: 954,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,840.24 : 2,150,784.12 = 636,497.76 : x
  2. Step 2: Convert to fraction form
    1,434,840.24/2,150,784.12 = 636,497.76/x
  3. Step 3: Cross multiply
    1,434,840.24x = 2,150,784.12 × 636,497.76
  4. Step 4: Simplify right side
    1,434,840.24x = 1,368,969,274,623.57
  5. Step 5: Solve for x
    x = 1,368,969,274,623.57/1,434,840.24
  6. Step 6: Final answer
    x = 954,091.78

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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.