Finding the Fourth Proportional to 1,122,809.58, 1,684,299.69 and 374,855.58
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Solution
The fourth proportional to 1,122,809.58, 1,684,299.69 and 374,855.58 is: 562,311.85
Step by Step Solution
- Step 1: Write the proportion equation
1,122,809.58 : 1,684,299.69 = 374,855.58 : x - Step 2: Convert to fraction form
1,122,809.58/1,684,299.69 = 374,855.58/x - Step 3: Cross multiply
1,122,809.58x = 1,684,299.69 × 374,855.58 - Step 4: Simplify right side
1,122,809.58x = 631,369,137,188.77 - Step 5: Solve for x
x = 631,369,137,188.77/1,122,809.58 - Step 6: Final answer
x = 562,311.85
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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.