Finding the Fourth Proportional to 1,212,409.50, 1,672,260.03 and 1,029,854.94
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Solution
The fourth proportional to 1,212,409.50, 1,672,260.03 and 1,029,854.94 is: 1,420,464.99
Step by Step Solution
- Step 1: Write the proportion equation
1,212,409.50 : 1,672,260.03 = 1,029,854.94 : x - Step 2: Convert to fraction form
1,212,409.50/1,672,260.03 = 1,029,854.94/x - Step 3: Cross multiply
1,212,409.50x = 1,672,260.03 × 1,029,854.94 - Step 4: Simplify right side
1,212,409.50x = 1,722,185,252,860.05 - Step 5: Solve for x
x = 1,722,185,252,860.05/1,212,409.50 - Step 6: Final answer
x = 1,420,464.99
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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.