Home / 1,268,927.82-1,903,512.20-459,516.69

Finding the Fourth Proportional to 1,268,927.82, 1,903,512.20 and 459,516.69

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Solution

The fourth proportional to 1,268,927.82, 1,903,512.20 and 459,516.69 is: 689,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,927.82 : 1,903,512.20 = 459,516.69 : x
  2. Step 2: Convert to fraction form
    1,268,927.82/1,903,512.20 = 459,516.69/x
  3. Step 3: Cross multiply
    1,268,927.82x = 1,903,512.20 × 459,516.69
  4. Step 4: Simplify right side
    1,268,927.82x = 874,695,623,221.04
  5. Step 5: Solve for x
    x = 874,695,623,221.04/1,268,927.82
  6. Step 6: Final answer
    x = 689,318.66

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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.