Finding the Fourth Proportional to 1,266,403.97, 1,747,656.81 and 693,497.45
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Solution
The fourth proportional to 1,266,403.97, 1,747,656.81 and 693,497.45 is: 957,037.06
Step by Step Solution
- Step 1: Write the proportion equation
1,266,403.97 : 1,747,656.81 = 693,497.45 : x - Step 2: Convert to fraction form
1,266,403.97/1,747,656.81 = 693,497.45/x - Step 3: Cross multiply
1,266,403.97x = 1,747,656.81 × 693,497.45 - Step 4: Simplify right side
1,266,403.97x = 1,211,995,532,471.85 - Step 5: Solve for x
x = 1,211,995,532,471.85/1,266,403.97 - Step 6: Final answer
x = 957,037.06
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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.