Finding the Fourth Proportional to 1,192,911.96, 1,646,205.71 and 709,466.48
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Solution
The fourth proportional to 1,192,911.96, 1,646,205.71 and 709,466.48 is: 979,056.12
Step by Step Solution
- Step 1: Write the proportion equation
1,192,911.96 : 1,646,205.71 = 709,466.48 : x - Step 2: Convert to fraction form
1,192,911.96/1,646,205.71 = 709,466.48/x - Step 3: Cross multiply
1,192,911.96x = 1,646,205.71 × 709,466.48 - Step 4: Simplify right side
1,192,911.96x = 1,167,927,758,651.24 - Step 5: Solve for x
x = 1,167,927,758,651.24/1,192,911.96 - Step 6: Final answer
x = 979,056.12
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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.