Finding the Fourth Proportional to 1,197,847.58, 1,653,775.79 and 762,510.65
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Solution
The fourth proportional to 1,197,847.58, 1,653,775.79 and 762,510.65 is: 1,052,739.65
Step by Step Solution
- Step 1: Write the proportion equation
1,197,847.58 : 1,653,775.79 = 762,510.65 : x - Step 2: Convert to fraction form
1,197,847.58/1,653,775.79 = 762,510.65/x - Step 3: Cross multiply
1,197,847.58x = 1,653,775.79 × 762,510.65 - Step 4: Simplify right side
1,197,847.58x = 1,261,021,640,505.73 - Step 5: Solve for x
x = 1,261,021,640,505.73/1,197,847.58 - Step 6: Final answer
x = 1,052,739.65
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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.