Finding the Fourth Proportional to 1,293,876.04, 1,931,716.05 and 988,672.84
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Solution
The fourth proportional to 1,293,876.04, 1,931,716.05 and 988,672.84 is: 1,476,057.31
Step by Step Solution
- Step 1: Write the proportion equation
1,293,876.04 : 1,931,716.05 = 988,672.84 : x - Step 2: Convert to fraction form
1,293,876.04/1,931,716.05 = 988,672.84/x - Step 3: Cross multiply
1,293,876.04x = 1,931,716.05 × 988,672.84 - Step 4: Simplify right side
1,293,876.04x = 1,909,835,193,227.08 - Step 5: Solve for x
x = 1,909,835,193,227.08/1,293,876.04 - Step 6: Final answer
x = 1,476,057.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.