Finding the Fourth Proportional to 1,272,569.93, 1,908,755.66 and 739,751.12
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Solution
The fourth proportional to 1,272,569.93, 1,908,755.66 and 739,751.12 is: 1,109,568.99
Step by Step Solution
- Step 1: Write the proportion equation
1,272,569.93 : 1,908,755.66 = 739,751.12 : x - Step 2: Convert to fraction form
1,272,569.93/1,908,755.66 = 739,751.12/x - Step 3: Cross multiply
1,272,569.93x = 1,908,755.66 × 739,751.12 - Step 4: Simplify right side
1,272,569.93x = 1,412,004,129,596.94 - Step 5: Solve for x
x = 1,412,004,129,596.94/1,272,569.93 - Step 6: Final answer
x = 1,109,568.99
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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.