Finding the Fourth Proportional to 1,368,387.14, 1,888,369.53 and 764,775.14
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Solution
The fourth proportional to 1,368,387.14, 1,888,369.53 and 764,775.14 is: 1,055,387.05
Step by Step Solution
- Step 1: Write the proportion equation
1,368,387.14 : 1,888,369.53 = 764,775.14 : x - Step 2: Convert to fraction form
1,368,387.14/1,888,369.53 = 764,775.14/x - Step 3: Cross multiply
1,368,387.14x = 1,888,369.53 × 764,775.14 - Step 4: Simplify right side
1,368,387.14x = 1,444,178,062,235.64 - Step 5: Solve for x
x = 1,444,178,062,235.64/1,368,387.14 - Step 6: Final answer
x = 1,055,387.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.