Finding the Fourth Proportional to 1,240,314.05, 1,860,137.99 and 341,541.83
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Solution
The fourth proportional to 1,240,314.05, 1,860,137.99 and 341,541.83 is: 512,221.03
Step by Step Solution
- Step 1: Write the proportion equation
1,240,314.05 : 1,860,137.99 = 341,541.83 : x - Step 2: Convert to fraction form
1,240,314.05/1,860,137.99 = 341,541.83/x - Step 3: Cross multiply
1,240,314.05x = 1,860,137.99 × 341,541.83 - Step 4: Simplify right side
1,240,314.05x = 635,314,937,380.54 - Step 5: Solve for x
x = 635,314,937,380.54/1,240,314.05 - Step 6: Final answer
x = 512,221.03
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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.