Finding the Fourth Proportional to 1,028,699.15, 1,542,486.20 and 816,828.05
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Solution
The fourth proportional to 1,028,699.15, 1,542,486.20 and 816,828.05 is: 1,224,795.41
Step by Step Solution
- Step 1: Write the proportion equation
1,028,699.15 : 1,542,486.20 = 816,828.05 : x - Step 2: Convert to fraction form
1,028,699.15/1,542,486.20 = 816,828.05/x - Step 3: Cross multiply
1,028,699.15x = 1,542,486.20 × 816,828.05 - Step 4: Simplify right side
1,028,699.15x = 1,259,945,994,669.99 - Step 5: Solve for x
x = 1,259,945,994,669.99/1,028,699.15 - Step 6: Final answer
x = 1,224,795.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.