Finding the Fourth Proportional to 1,443,257.32, 1,991,646.10 and 798,704.68
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Solution
The fourth proportional to 1,443,257.32, 1,991,646.10 and 798,704.68 is: 1,102,185.34
Step by Step Solution
- Step 1: Write the proportion equation
1,443,257.32 : 1,991,646.10 = 798,704.68 : x - Step 2: Convert to fraction form
1,443,257.32/1,991,646.10 = 798,704.68/x - Step 3: Cross multiply
1,443,257.32x = 1,991,646.10 × 798,704.68 - Step 4: Simplify right side
1,443,257.32x = 1,590,737,060,973.75 - Step 5: Solve for x
x = 1,590,737,060,973.75/1,443,257.32 - Step 6: Final answer
x = 1,102,185.34
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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.