Finding the Fourth Proportional to 1,278,207.11, 1,764,564.99 and 794,927.94
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Solution
The fourth proportional to 1,278,207.11, 1,764,564.99 and 794,927.94 is: 1,097,398.07
Step by Step Solution
- Step 1: Write the proportion equation
1,278,207.11 : 1,764,564.99 = 794,927.94 : x - Step 2: Convert to fraction form
1,278,207.11/1,764,564.99 = 794,927.94/x - Step 3: Cross multiply
1,278,207.11x = 1,764,564.99 × 794,927.94 - Step 4: Simplify right side
1,278,207.11x = 1,402,702,012,496.82 - Step 5: Solve for x
x = 1,402,702,012,496.82/1,278,207.11 - Step 6: Final answer
x = 1,097,398.07
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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.