Home / 1,306,627-1,959,940.50-420,163

Finding the Fourth Proportional to 1,306,627, 1,959,940.50 and 420,163

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Solution

The fourth proportional to 1,306,627, 1,959,940.50 and 420,163 is: 630,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,627 : 1,959,940.50 = 420,163 : x
  2. Step 2: Convert to fraction form
    1,306,627/1,959,940.50 = 420,163/x
  3. Step 3: Cross multiply
    1,306,627x = 1,959,940.50 × 420,163
  4. Step 4: Simplify right side
    1,306,627x = 823,494,480,301.50
  5. Step 5: Solve for x
    x = 823,494,480,301.50/1,306,627
  6. Step 6: Final answer
    x = 630,244.50

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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.