Finding the Fourth Proportional to 1,310,428.38, 1,808,091.99 and 737,259.42
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Solution
The fourth proportional to 1,310,428.38, 1,808,091.99 and 737,259.42 is: 1,017,249.68
Step by Step Solution
- Step 1: Write the proportion equation
1,310,428.38 : 1,808,091.99 = 737,259.42 : x - Step 2: Convert to fraction form
1,310,428.38/1,808,091.99 = 737,259.42/x - Step 3: Cross multiply
1,310,428.38x = 1,808,091.99 × 737,259.42 - Step 4: Simplify right side
1,310,428.38x = 1,333,032,851,854.05 - Step 5: Solve for x
x = 1,333,032,851,854.05/1,310,428.38 - Step 6: Final answer
x = 1,017,249.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.