Finding the Fourth Proportional to 1,085,431.35, 1,497,987.26 and 602,152.19
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Solution
The fourth proportional to 1,085,431.35, 1,497,987.26 and 602,152.19 is: 831,021.06
Step by Step Solution
- Step 1: Write the proportion equation
1,085,431.35 : 1,497,987.26 = 602,152.19 : x - Step 2: Convert to fraction form
1,085,431.35/1,497,987.26 = 602,152.19/x - Step 3: Cross multiply
1,085,431.35x = 1,497,987.26 × 602,152.19 - Step 4: Simplify right side
1,085,431.35x = 902,016,309,201.10 - Step 5: Solve for x
x = 902,016,309,201.10/1,085,431.35 - Step 6: Final answer
x = 831,021.06
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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.