Finding the Fourth Proportional to 1,266,449.10, 1,747,634.62 and 693,378.42
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Solution
The fourth proportional to 1,266,449.10, 1,747,634.62 and 693,378.42 is: 956,826.56
Step by Step Solution
- Step 1: Write the proportion equation
1,266,449.10 : 1,747,634.62 = 693,378.42 : x - Step 2: Convert to fraction form
1,266,449.10/1,747,634.62 = 693,378.42/x - Step 3: Cross multiply
1,266,449.10x = 1,747,634.62 × 693,378.42 - Step 4: Simplify right side
1,266,449.10x = 1,211,772,131,552.90 - Step 5: Solve for x
x = 1,211,772,131,552.90/1,266,449.10 - Step 6: Final answer
x = 956,826.56
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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.