Finding the Fourth Proportional to 1,182,120.58, 1,772,370.62 and 423,945.70
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Solution
The fourth proportional to 1,182,120.58, 1,772,370.62 and 423,945.70 is: 635,627.96
Step by Step Solution
- Step 1: Write the proportion equation
1,182,120.58 : 1,772,370.62 = 423,945.70 : x - Step 2: Convert to fraction form
1,182,120.58/1,772,370.62 = 423,945.70/x - Step 3: Cross multiply
1,182,120.58x = 1,772,370.62 × 423,945.70 - Step 4: Simplify right side
1,182,120.58x = 751,388,898,194.48 - Step 5: Solve for x
x = 751,388,898,194.48/1,182,120.58 - Step 6: Final answer
x = 635,627.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.