Finding the Fourth Proportional to 1,197,735.73, 1,654,678.12 and 785,252.54
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Solution
The fourth proportional to 1,197,735.73, 1,654,678.12 and 785,252.54 is: 1,084,830.45
Step by Step Solution
- Step 1: Write the proportion equation
1,197,735.73 : 1,654,678.12 = 785,252.54 : x - Step 2: Convert to fraction form
1,197,735.73/1,654,678.12 = 785,252.54/x - Step 3: Cross multiply
1,197,735.73x = 1,654,678.12 × 785,252.54 - Step 4: Simplify right side
1,197,735.73x = 1,299,340,196,612.43 - Step 5: Solve for x
x = 1,299,340,196,612.43/1,197,735.73 - Step 6: Final answer
x = 1,084,830.45
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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.