Finding the Fourth Proportional to 1,228,397.67, 1,695,165.57 and 669,596.94
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Solution
The fourth proportional to 1,228,397.67, 1,695,165.57 and 669,596.94 is: 924,031.12
Step by Step Solution
- Step 1: Write the proportion equation
1,228,397.67 : 1,695,165.57 = 669,596.94 : x - Step 2: Convert to fraction form
1,228,397.67/1,695,165.57 = 669,596.94/x - Step 3: Cross multiply
1,228,397.67x = 1,695,165.57 × 669,596.94 - Step 4: Simplify right side
1,228,397.67x = 1,135,077,678,465.36 - Step 5: Solve for x
x = 1,135,077,678,465.36/1,228,397.67 - Step 6: Final answer
x = 924,031.12
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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.