Finding the Fourth Proportional to 1,243,272.66, 1,715,713.74 and 699,408.84
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Solution
The fourth proportional to 1,243,272.66, 1,715,713.74 and 699,408.84 is: 965,182.78
Step by Step Solution
- Step 1: Write the proportion equation
1,243,272.66 : 1,715,713.74 = 699,408.84 : x - Step 2: Convert to fraction form
1,243,272.66/1,715,713.74 = 699,408.84/x - Step 3: Cross multiply
1,243,272.66x = 1,715,713.74 × 699,408.84 - Step 4: Simplify right side
1,243,272.66x = 1,199,985,356,665.46 - Step 5: Solve for x
x = 1,199,985,356,665.46/1,243,272.66 - Step 6: Final answer
x = 965,182.78
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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.