Finding the Fourth Proportional to 1,215,535.68, 1,677,169.80 and 699,257.88
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Solution
The fourth proportional to 1,215,535.68, 1,677,169.80 and 699,257.88 is: 964,820.88
Step by Step Solution
- Step 1: Write the proportion equation
1,215,535.68 : 1,677,169.80 = 699,257.88 : x - Step 2: Convert to fraction form
1,215,535.68/1,677,169.80 = 699,257.88/x - Step 3: Cross multiply
1,215,535.68x = 1,677,169.80 × 699,257.88 - Step 4: Simplify right side
1,215,535.68x = 1,172,774,198,748.02 - Step 5: Solve for x
x = 1,172,774,198,748.02/1,215,535.68 - Step 6: Final answer
x = 964,820.88
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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.