Finding the Fourth Proportional to 1,201,441.10, 1,657,810.37 and 729,703.38
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Solution
The fourth proportional to 1,201,441.10, 1,657,810.37 and 729,703.38 is: 1,006,882.34
Step by Step Solution
- Step 1: Write the proportion equation
1,201,441.10 : 1,657,810.37 = 729,703.38 : x - Step 2: Convert to fraction form
1,201,441.10/1,657,810.37 = 729,703.38/x - Step 3: Cross multiply
1,201,441.10x = 1,657,810.37 × 729,703.38 - Step 4: Simplify right side
1,201,441.10x = 1,209,709,830,388.05 - Step 5: Solve for x
x = 1,209,709,830,388.05/1,201,441.10 - Step 6: Final answer
x = 1,006,882.34
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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.