Finding the Fourth Proportional to 1,085,791.58, 1,498,394.11 and 602,356.70
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Solution
The fourth proportional to 1,085,791.58, 1,498,394.11 and 602,356.70 is: 831,253.21
Step by Step Solution
- Step 1: Write the proportion equation
1,085,791.58 : 1,498,394.11 = 602,356.70 : x - Step 2: Convert to fraction form
1,085,791.58/1,498,394.11 = 602,356.70/x - Step 3: Cross multiply
1,085,791.58x = 1,498,394.11 × 602,356.70 - Step 4: Simplify right side
1,085,791.58x = 902,567,731,399.04 - Step 5: Solve for x
x = 902,567,731,399.04/1,085,791.58 - Step 6: Final answer
x = 831,253.21
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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.