Finding the Fourth Proportional to 1,276,435.73, 1,914,673.68 and 377,968.75
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Solution
The fourth proportional to 1,276,435.73, 1,914,673.68 and 377,968.75 is: 566,959.07
Step by Step Solution
- Step 1: Write the proportion equation
1,276,435.73 : 1,914,673.68 = 377,968.75 : x - Step 2: Convert to fraction form
1,276,435.73/1,914,673.68 = 377,968.75/x - Step 3: Cross multiply
1,276,435.73x = 1,914,673.68 × 377,968.75 - Step 4: Simplify right side
1,276,435.73x = 723,686,812,700.82 - Step 5: Solve for x
x = 723,686,812,700.82/1,276,435.73 - Step 6: Final answer
x = 566,959.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.