Finding the Fourth Proportional to 1,040,664.15, 1,560,285.93 and 554,418.99
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Solution
The fourth proportional to 1,040,664.15, 1,560,285.93 and 554,418.99 is: 831,250.07
Step by Step Solution
- Step 1: Write the proportion equation
1,040,664.15 : 1,560,285.93 = 554,418.99 : x - Step 2: Convert to fraction form
1,040,664.15/1,560,285.93 = 554,418.99/x - Step 3: Cross multiply
1,040,664.15x = 1,560,285.93 × 554,418.99 - Step 4: Simplify right side
1,040,664.15x = 865,052,149,421.81 - Step 5: Solve for x
x = 865,052,149,421.81/1,040,664.15 - Step 6: Final answer
x = 831,250.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.