Finding the Fourth Proportional to 1,199,336.12, 1,654,923.84 and 770,197.52
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Solution
The fourth proportional to 1,199,336.12, 1,654,923.84 and 770,197.52 is: 1,062,769.82
Step by Step Solution
- Step 1: Write the proportion equation
1,199,336.12 : 1,654,923.84 = 770,197.52 : x - Step 2: Convert to fraction form
1,199,336.12/1,654,923.84 = 770,197.52/x - Step 3: Cross multiply
1,199,336.12x = 1,654,923.84 × 770,197.52 - Step 4: Simplify right side
1,199,336.12x = 1,274,618,237,356.88 - Step 5: Solve for x
x = 1,274,618,237,356.88/1,199,336.12 - Step 6: Final answer
x = 1,062,769.82
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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.