Finding the Fourth Proportional to 1,212,637.05, 1,673,366.85 and 696,474.98
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Solution
The fourth proportional to 1,212,637.05, 1,673,366.85 and 696,474.98 is: 961,093.96
Step by Step Solution
- Step 1: Write the proportion equation
1,212,637.05 : 1,673,366.85 = 696,474.98 : x - Step 2: Convert to fraction form
1,212,637.05/1,673,366.85 = 696,474.98/x - Step 3: Cross multiply
1,212,637.05x = 1,673,366.85 × 696,474.98 - Step 4: Simplify right side
1,212,637.05x = 1,165,458,141,294.70 - Step 5: Solve for x
x = 1,165,458,141,294.70/1,212,637.05 - Step 6: Final answer
x = 961,093.96
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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.