Finding the Fourth Proportional to 1,124,041.50, 1,551,178.49 and 614,745.09
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Solution
The fourth proportional to 1,124,041.50, 1,551,178.49 and 614,745.09 is: 848,348.89
Step by Step Solution
- Step 1: Write the proportion equation
1,124,041.50 : 1,551,178.49 = 614,745.09 : x - Step 2: Convert to fraction form
1,124,041.50/1,551,178.49 = 614,745.09/x - Step 3: Cross multiply
1,124,041.50x = 1,551,178.49 × 614,745.09 - Step 4: Simplify right side
1,124,041.50x = 953,579,360,441.11 - Step 5: Solve for x
x = 953,579,360,441.11/1,124,041.50 - Step 6: Final answer
x = 848,348.89
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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.