Finding the Fourth Proportional to 1,124,197.09, 1,686,280.04 and 271,261.62
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Solution
The fourth proportional to 1,124,197.09, 1,686,280.04 and 271,261.62 is: 406,888.67
Step by Step Solution
- Step 1: Write the proportion equation
1,124,197.09 : 1,686,280.04 = 271,261.62 : x - Step 2: Convert to fraction form
1,124,197.09/1,686,280.04 = 271,261.62/x - Step 3: Cross multiply
1,124,197.09x = 1,686,280.04 × 271,261.62 - Step 4: Simplify right side
1,124,197.09x = 457,423,056,102.22 - Step 5: Solve for x
x = 457,423,056,102.22/1,124,197.09 - Step 6: Final answer
x = 406,888.67
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1.5x scale
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.