Finding the Fourth Proportional to 1,211,768.94, 1,672,142.81 and 702,504.12
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Solution
The fourth proportional to 1,211,768.94, 1,672,142.81 and 702,504.12 is: 969,398.68
Step by Step Solution
- Step 1: Write the proportion equation
1,211,768.94 : 1,672,142.81 = 702,504.12 : x - Step 2: Convert to fraction form
1,211,768.94/1,672,142.81 = 702,504.12/x - Step 3: Cross multiply
1,211,768.94x = 1,672,142.81 × 702,504.12 - Step 4: Simplify right side
1,211,768.94x = 1,174,687,206,648.92 - Step 5: Solve for x
x = 1,174,687,206,648.92/1,211,768.94 - Step 6: Final answer
x = 969,398.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.