Finding the Fourth Proportional to 1,133,497.58, 1,561,566.03 and 788,740.62
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Solution
The fourth proportional to 1,133,497.58, 1,561,566.03 and 788,740.62 is: 1,086,610.67
Step by Step Solution
- Step 1: Write the proportion equation
1,133,497.58 : 1,561,566.03 = 788,740.62 : x - Step 2: Convert to fraction form
1,133,497.58/1,561,566.03 = 788,740.62/x - Step 3: Cross multiply
1,133,497.58x = 1,561,566.03 × 788,740.62 - Step 4: Simplify right side
1,133,497.58x = 1,231,670,558,673.14 - Step 5: Solve for x
x = 1,231,670,558,673.14/1,133,497.58 - Step 6: Final answer
x = 1,086,610.67
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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.