Finding the Fourth Proportional to 1,261,694.80, 1,887,934.20 and 929,918.80
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Solution
The fourth proportional to 1,261,694.80, 1,887,934.20 and 929,918.80 is: 1,391,481.92
Step by Step Solution
- Step 1: Write the proportion equation
1,261,694.80 : 1,887,934.20 = 929,918.80 : x - Step 2: Convert to fraction form
1,261,694.80/1,887,934.20 = 929,918.80/x - Step 3: Cross multiply
1,261,694.80x = 1,887,934.20 × 929,918.80 - Step 4: Simplify right side
1,261,694.80x = 1,755,625,505,742.96 - Step 5: Solve for x
x = 1,755,625,505,742.96/1,261,694.80 - Step 6: Final answer
x = 1,391,481.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.