Finding the Fourth Proportional to 1,243,248.63, 1,715,680.64 and 699,384.84
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Solution
The fourth proportional to 1,243,248.63, 1,715,680.64 and 699,384.84 is: 965,149.69
Step by Step Solution
- Step 1: Write the proportion equation
1,243,248.63 : 1,715,680.64 = 699,384.84 : x - Step 2: Convert to fraction form
1,243,248.63/1,715,680.64 = 699,384.84/x - Step 3: Cross multiply
1,243,248.63x = 1,715,680.64 × 699,384.84 - Step 4: Simplify right side
1,243,248.63x = 1,199,921,031,645.96 - Step 5: Solve for x
x = 1,199,921,031,645.96/1,243,248.63 - Step 6: Final answer
x = 965,149.69
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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.