Finding the Fourth Proportional to 1,105,729.26, 1,526,377.18 and 743,363.28
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Solution
The fourth proportional to 1,105,729.26, 1,526,377.18 and 743,363.28 is: 1,026,157.84
Step by Step Solution
- Step 1: Write the proportion equation
1,105,729.26 : 1,526,377.18 = 743,363.28 : x - Step 2: Convert to fraction form
1,105,729.26/1,526,377.18 = 743,363.28/x - Step 3: Cross multiply
1,105,729.26x = 1,526,377.18 × 743,363.28 - Step 4: Simplify right side
1,105,729.26x = 1,134,652,747,041.95 - Step 5: Solve for x
x = 1,134,652,747,041.95/1,105,729.26 - Step 6: Final answer
x = 1,026,157.84
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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.