Finding the Fourth Proportional to 1,076,550.05, 1,485,854.19 and 617,974.63
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Solution
The fourth proportional to 1,076,550.05, 1,485,854.19 and 617,974.63 is: 852,928.47
Step by Step Solution
- Step 1: Write the proportion equation
1,076,550.05 : 1,485,854.19 = 617,974.63 : x - Step 2: Convert to fraction form
1,076,550.05/1,485,854.19 = 617,974.63/x - Step 3: Cross multiply
1,076,550.05x = 1,485,854.19 × 617,974.63 - Step 4: Simplify right side
1,076,550.05x = 918,220,189,584.56 - Step 5: Solve for x
x = 918,220,189,584.56/1,076,550.05 - Step 6: Final answer
x = 852,928.47
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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.