Finding the Fourth Proportional to 1,070,122.80, 1,605,187.08 and 271,404.84
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Solution
The fourth proportional to 1,070,122.80, 1,605,187.08 and 271,404.84 is: 407,107.99
Step by Step Solution
- Step 1: Write the proportion equation
1,070,122.80 : 1,605,187.08 = 271,404.84 : x - Step 2: Convert to fraction form
1,070,122.80/1,605,187.08 = 271,404.84/x - Step 3: Cross multiply
1,070,122.80x = 1,605,187.08 × 271,404.84 - Step 4: Simplify right side
1,070,122.80x = 435,655,542,617.47 - Step 5: Solve for x
x = 435,655,542,617.47/1,070,122.80 - Step 6: Final answer
x = 407,107.99
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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.