Finding the Fourth Proportional to 1,286,551.42, 1,775,441.94 and 713,595.70
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Solution
The fourth proportional to 1,286,551.42, 1,775,441.94 and 713,595.70 is: 984,762.61
Step by Step Solution
- Step 1: Write the proportion equation
1,286,551.42 : 1,775,441.94 = 713,595.70 : x - Step 2: Convert to fraction form
1,286,551.42/1,775,441.94 = 713,595.70/x - Step 3: Cross multiply
1,286,551.42x = 1,775,441.94 × 713,595.70 - Step 4: Simplify right side
1,286,551.42x = 1,266,947,733,983.66 - Step 5: Solve for x
x = 1,266,947,733,983.66/1,286,551.42 - Step 6: Final answer
x = 984,762.61
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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.