Finding the Fourth Proportional to 1,222,274.12, 1,833,536.46 and 423,555.08
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Solution
The fourth proportional to 1,222,274.12, 1,833,536.46 and 423,555.08 is: 635,376.03
Step by Step Solution
- Step 1: Write the proportion equation
1,222,274.12 : 1,833,536.46 = 423,555.08 : x - Step 2: Convert to fraction form
1,222,274.12/1,833,536.46 = 423,555.08/x - Step 3: Cross multiply
1,222,274.12x = 1,833,536.46 × 423,555.08 - Step 4: Simplify right side
1,222,274.12x = 776,603,681,998.22 - Step 5: Solve for x
x = 776,603,681,998.22/1,222,274.12 - Step 6: Final answer
x = 635,376.03
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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.