Finding the Fourth Proportional to 1,243,299.36, 1,715,591.70 and 699,416.76
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Solution
The fourth proportional to 1,243,299.36, 1,715,591.70 and 699,416.76 is: 965,104.32
Step by Step Solution
- Step 1: Write the proportion equation
1,243,299.36 : 1,715,591.70 = 699,416.76 : x - Step 2: Convert to fraction form
1,243,299.36/1,715,591.70 = 699,416.76/x - Step 3: Cross multiply
1,243,299.36x = 1,715,591.70 × 699,416.76 - Step 4: Simplify right side
1,243,299.36x = 1,199,913,588,296.89 - Step 5: Solve for x
x = 1,199,913,588,296.89/1,243,299.36 - Step 6: Final answer
x = 965,104.32
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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.