Finding the Fourth Proportional to 1,331,768.08, 1,997,670.57 and 433,214.53
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Solution
The fourth proportional to 1,331,768.08, 1,997,670.57 and 433,214.53 is: 649,827.80
Step by Step Solution
- Step 1: Write the proportion equation
1,331,768.08 : 1,997,670.57 = 433,214.53 : x - Step 2: Convert to fraction form
1,331,768.08/1,997,670.57 = 433,214.53/x - Step 3: Cross multiply
1,331,768.08x = 1,997,670.57 × 433,214.53 - Step 4: Simplify right side
1,331,768.08x = 865,419,917,077.38 - Step 5: Solve for x
x = 865,419,917,077.38/1,331,768.08 - Step 6: Final answer
x = 649,827.80
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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.