Finding the Fourth Proportional to 1,068,328.19, 1,474,288.97 and 609,441.94
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Solution
The fourth proportional to 1,068,328.19, 1,474,288.97 and 609,441.94 is: 841,027.64
Step by Step Solution
- Step 1: Write the proportion equation
1,068,328.19 : 1,474,288.97 = 609,441.94 : x - Step 2: Convert to fraction form
1,068,328.19/1,474,288.97 = 609,441.94/x - Step 3: Cross multiply
1,068,328.19x = 1,474,288.97 × 609,441.94 - Step 4: Simplify right side
1,068,328.19x = 898,493,528,793.05 - Step 5: Solve for x
x = 898,493,528,793.05/1,068,328.19 - Step 6: Final answer
x = 841,027.64
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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.