Finding the Fourth Proportional to 1,301,330.42, 1,795,835.58 and 728,370.44
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Solution
The fourth proportional to 1,301,330.42, 1,795,835.58 and 728,370.44 is: 1,005,150.98
Step by Step Solution
- Step 1: Write the proportion equation
1,301,330.42 : 1,795,835.58 = 728,370.44 : x - Step 2: Convert to fraction form
1,301,330.42/1,795,835.58 = 728,370.44/x - Step 3: Cross multiply
1,301,330.42x = 1,795,835.58 × 728,370.44 - Step 4: Simplify right side
1,301,330.42x = 1,308,033,551,572.26 - Step 5: Solve for x
x = 1,308,033,551,572.26/1,301,330.42 - Step 6: Final answer
x = 1,005,150.98
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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.