Finding the Fourth Proportional to 1,193,147.28, 1,646,543.48 and 656,603.28
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Solution
The fourth proportional to 1,193,147.28, 1,646,543.48 and 656,603.28 is: 906,112.65
Step by Step Solution
- Step 1: Write the proportion equation
1,193,147.28 : 1,646,543.48 = 656,603.28 : x - Step 2: Convert to fraction form
1,193,147.28/1,646,543.48 = 656,603.28/x - Step 3: Cross multiply
1,193,147.28x = 1,646,543.48 × 656,603.28 - Step 4: Simplify right side
1,193,147.28x = 1,081,125,849,630.61 - Step 5: Solve for x
x = 1,081,125,849,630.61/1,193,147.28 - Step 6: Final answer
x = 906,112.65
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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.