Finding the Fourth Proportional to 1,283,910.64, 1,771,850.09 and 710,950.79
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Solution
The fourth proportional to 1,283,910.64, 1,771,850.09 and 710,950.79 is: 981,141.67
Step by Step Solution
- Step 1: Write the proportion equation
1,283,910.64 : 1,771,850.09 = 710,950.79 : x - Step 2: Convert to fraction form
1,283,910.64/1,771,850.09 = 710,950.79/x - Step 3: Cross multiply
1,283,910.64x = 1,771,850.09 × 710,950.79 - Step 4: Simplify right side
1,283,910.64x = 1,259,698,227,454.07 - Step 5: Solve for x
x = 1,259,698,227,454.07/1,283,910.64 - Step 6: Final answer
x = 981,141.67
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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.