Finding the Fourth Proportional to 1,068,913.09, 1,603,369.63 and 270,194.63
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Solution
The fourth proportional to 1,068,913.09, 1,603,369.63 and 270,194.63 is: 405,291.95
Step by Step Solution
- Step 1: Write the proportion equation
1,068,913.09 : 1,603,369.63 = 270,194.63 : x - Step 2: Convert to fraction form
1,068,913.09/1,603,369.63 = 270,194.63/x - Step 3: Cross multiply
1,068,913.09x = 1,603,369.63 × 270,194.63 - Step 4: Simplify right side
1,068,913.09x = 433,221,869,454.19 - Step 5: Solve for x
x = 433,221,869,454.19/1,068,913.09 - Step 6: Final answer
x = 405,291.95
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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.