Finding the Fourth Proportional to 1,330,601.01, 1,836,230.07 and 718,753.74
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Solution
The fourth proportional to 1,330,601.01, 1,836,230.07 and 718,753.74 is: 991,880.53
Step by Step Solution
- Step 1: Write the proportion equation
1,330,601.01 : 1,836,230.07 = 718,753.74 : x - Step 2: Convert to fraction form
1,330,601.01/1,836,230.07 = 718,753.74/x - Step 3: Cross multiply
1,330,601.01x = 1,836,230.07 × 718,753.74 - Step 4: Simplify right side
1,330,601.01x = 1,319,797,230,312.96 - Step 5: Solve for x
x = 1,319,797,230,312.96/1,330,601.01 - Step 6: Final answer
x = 991,880.53
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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.