Finding the Fourth Proportional to 1,266,882.37, 1,748,471.64 and 776,765.23
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Solution
The fourth proportional to 1,266,882.37, 1,748,471.64 and 776,765.23 is: 1,072,042.68
Step by Step Solution
- Step 1: Write the proportion equation
1,266,882.37 : 1,748,471.64 = 776,765.23 : x - Step 2: Convert to fraction form
1,266,882.37/1,748,471.64 = 776,765.23/x - Step 3: Cross multiply
1,266,882.37x = 1,748,471.64 × 776,765.23 - Step 4: Simplify right side
1,266,882.37x = 1,358,151,975,593.08 - Step 5: Solve for x
x = 1,358,151,975,593.08/1,266,882.37 - Step 6: Final answer
x = 1,072,042.68
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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.