Finding the Fourth Proportional to 1,263,775.66, 1,895,663.49 and 422,327.41
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Solution
The fourth proportional to 1,263,775.66, 1,895,663.49 and 422,327.41 is: 633,491.12
Step by Step Solution
- Step 1: Write the proportion equation
1,263,775.66 : 1,895,663.49 = 422,327.41 : x - Step 2: Convert to fraction form
1,263,775.66/1,895,663.49 = 422,327.41/x - Step 3: Cross multiply
1,263,775.66x = 1,895,663.49 × 422,327.41 - Step 4: Simplify right side
1,263,775.66x = 800,590,651,963.26 - Step 5: Solve for x
x = 800,590,651,963.26/1,263,775.66 - Step 6: Final answer
x = 633,491.12
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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.