Finding the Fourth Proportional to 1,085,761.20, 1,498,279.86 and 602,325.12
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Solution
The fourth proportional to 1,085,761.20, 1,498,279.86 and 602,325.12 is: 831,169.50
Step by Step Solution
- Step 1: Write the proportion equation
1,085,761.20 : 1,498,279.86 = 602,325.12 : x - Step 2: Convert to fraction form
1,085,761.20/1,498,279.86 = 602,325.12/x - Step 3: Cross multiply
1,085,761.20x = 1,498,279.86 × 602,325.12 - Step 4: Simplify right side
1,085,761.20x = 902,451,596,468.08 - Step 5: Solve for x
x = 902,451,596,468.08/1,085,761.20 - Step 6: Final answer
x = 831,169.50
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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.