Finding the Fourth Proportional to 1,330,358.60, 1,835,896.56 and 757,398.80
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Solution
The fourth proportional to 1,330,358.60, 1,835,896.56 and 757,398.80 is: 1,045,211.31
Step by Step Solution
- Step 1: Write the proportion equation
1,330,358.60 : 1,835,896.56 = 757,398.80 : x - Step 2: Convert to fraction form
1,330,358.60/1,835,896.56 = 757,398.80/x - Step 3: Cross multiply
1,330,358.60x = 1,835,896.56 × 757,398.80 - Step 4: Simplify right side
1,330,358.60x = 1,390,505,851,468.13 - Step 5: Solve for x
x = 1,390,505,851,468.13/1,330,358.60 - Step 6: Final answer
x = 1,045,211.31
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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.