Finding the Fourth Proportional to 1,266,197.97, 1,899,495.61 and 413,072.74
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Solution
The fourth proportional to 1,266,197.97, 1,899,495.61 and 413,072.74 is: 619,673.91
Step by Step Solution
- Step 1: Write the proportion equation
1,266,197.97 : 1,899,495.61 = 413,072.74 : x - Step 2: Convert to fraction form
1,266,197.97/1,899,495.61 = 413,072.74/x - Step 3: Cross multiply
1,266,197.97x = 1,899,495.61 × 413,072.74 - Step 4: Simplify right side
1,266,197.97x = 784,629,854,563.56 - Step 5: Solve for x
x = 784,629,854,563.56/1,266,197.97 - Step 6: Final answer
x = 619,673.91
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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.