Finding the Fourth Proportional to 1,073,971.36, 1,481,711.68 and 665,926.36
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Solution
The fourth proportional to 1,073,971.36, 1,481,711.68 and 665,926.36 is: 918,749.70
Step by Step Solution
- Step 1: Write the proportion equation
1,073,971.36 : 1,481,711.68 = 665,926.36 : x - Step 2: Convert to fraction form
1,073,971.36/1,481,711.68 = 665,926.36/x - Step 3: Cross multiply
1,073,971.36x = 1,481,711.68 × 665,926.36 - Step 4: Simplify right side
1,073,971.36x = 986,710,865,631.89 - Step 5: Solve for x
x = 986,710,865,631.89/1,073,971.36 - Step 6: Final answer
x = 918,749.70
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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.