Finding the Fourth Proportional to 1,159,779.25, 1,601,195.21 and 758,071.09
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Solution
The fourth proportional to 1,159,779.25, 1,601,195.21 and 758,071.09 is: 1,046,595.55
Step by Step Solution
- Step 1: Write the proportion equation
1,159,779.25 : 1,601,195.21 = 758,071.09 : x - Step 2: Convert to fraction form
1,159,779.25/1,601,195.21 = 758,071.09/x - Step 3: Cross multiply
1,159,779.25x = 1,601,195.21 × 758,071.09 - Step 4: Simplify right side
1,159,779.25x = 1,213,819,798,147.48 - Step 5: Solve for x
x = 1,213,819,798,147.48/1,159,779.25 - Step 6: Final answer
x = 1,046,595.55
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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.