Finding the Fourth Proportional to 1,174,956.18, 1,621,294.18 and 715,903.97
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Solution
The fourth proportional to 1,174,956.18, 1,621,294.18 and 715,903.97 is: 987,858.92
Step by Step Solution
- Step 1: Write the proportion equation
1,174,956.18 : 1,621,294.18 = 715,903.97 : x - Step 2: Convert to fraction form
1,174,956.18/1,621,294.18 = 715,903.97/x - Step 3: Cross multiply
1,174,956.18x = 1,621,294.18 × 715,903.97 - Step 4: Simplify right side
1,174,956.18x = 1,160,690,939,223.44 - Step 5: Solve for x
x = 1,160,690,939,223.44/1,174,956.18 - Step 6: Final answer
x = 987,858.92
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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.