Finding the Fourth Proportional to 1,266,164.96, 1,899,403.55 and 413,008.49
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Solution
The fourth proportional to 1,266,164.96, 1,899,403.55 and 413,008.49 is: 619,563.65
Step by Step Solution
- Step 1: Write the proportion equation
1,266,164.96 : 1,899,403.55 = 413,008.49 : x - Step 2: Convert to fraction form
1,266,164.96/1,899,403.55 = 413,008.49/x - Step 3: Cross multiply
1,266,164.96x = 1,899,403.55 × 413,008.49 - Step 4: Simplify right side
1,266,164.96x = 784,469,780,524.08 - Step 5: Solve for x
x = 784,469,780,524.08/1,266,164.96 - Step 6: Final answer
x = 619,563.65
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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.