Finding the Fourth Proportional to 1,127,513.52, 1,691,090.19 and 328,608.09
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Solution
The fourth proportional to 1,127,513.52, 1,691,090.19 and 328,608.09 is: 492,859.65
Step by Step Solution
- Step 1: Write the proportion equation
1,127,513.52 : 1,691,090.19 = 328,608.09 : x - Step 2: Convert to fraction form
1,127,513.52/1,691,090.19 = 328,608.09/x - Step 3: Cross multiply
1,127,513.52x = 1,691,090.19 × 328,608.09 - Step 4: Simplify right side
1,127,513.52x = 555,705,917,353.64 - Step 5: Solve for x
x = 555,705,917,353.64/1,127,513.52 - Step 6: Final answer
x = 492,859.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.