Finding the Fourth Proportional to 1,035,331.10, 1,428,537.29 and 653,136.38
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Solution
The fourth proportional to 1,035,331.10, 1,428,537.29 and 653,136.38 is: 901,189.65
Step by Step Solution
- Step 1: Write the proportion equation
1,035,331.10 : 1,428,537.29 = 653,136.38 : x - Step 2: Convert to fraction form
1,035,331.10/1,428,537.29 = 653,136.38/x - Step 3: Cross multiply
1,035,331.10x = 1,428,537.29 × 653,136.38 - Step 4: Simplify right side
1,035,331.10x = 933,029,663,877.24 - Step 5: Solve for x
x = 933,029,663,877.24/1,035,331.10 - Step 6: Final answer
x = 901,189.65
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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.