Finding the Fourth Proportional to 1,121,147.30, 1,680,684.68 and 447,064.62
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Solution
The fourth proportional to 1,121,147.30, 1,680,684.68 and 447,064.62 is: 670,183.71
Step by Step Solution
- Step 1: Write the proportion equation
1,121,147.30 : 1,680,684.68 = 447,064.62 : x - Step 2: Convert to fraction form
1,121,147.30/1,680,684.68 = 447,064.62/x - Step 3: Cross multiply
1,121,147.30x = 1,680,684.68 × 447,064.62 - Step 4: Simplify right side
1,121,147.30x = 751,374,657,804.02 - Step 5: Solve for x
x = 751,374,657,804.02/1,121,147.30 - Step 6: Final answer
x = 670,183.71
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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.