Finding the Fourth Proportional to 1,166,643.30, 1,751,863.50 and 720,202.08
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Solution
The fourth proportional to 1,166,643.30, 1,751,863.50 and 720,202.08 is: 1,081,475.15
Step by Step Solution
- Step 1: Write the proportion equation
1,166,643.30 : 1,751,863.50 = 720,202.08 : x - Step 2: Convert to fraction form
1,166,643.30/1,751,863.50 = 720,202.08/x - Step 3: Cross multiply
1,166,643.30x = 1,751,863.50 × 720,202.08 - Step 4: Simplify right side
1,166,643.30x = 1,261,695,736,576.08 - Step 5: Solve for x
x = 1,261,695,736,576.08/1,166,643.30 - Step 6: Final answer
x = 1,081,475.15
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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.