Finding the Fourth Proportional to 1,272,581.24, 1,756,174.01 and 699,625.50
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Solution
The fourth proportional to 1,272,581.24, 1,756,174.01 and 699,625.50 is: 965,489.73
Step by Step Solution
- Step 1: Write the proportion equation
1,272,581.24 : 1,756,174.01 = 699,625.50 : x - Step 2: Convert to fraction form
1,272,581.24/1,756,174.01 = 699,625.50/x - Step 3: Cross multiply
1,272,581.24x = 1,756,174.01 × 699,625.50 - Step 4: Simplify right side
1,272,581.24x = 1,228,664,116,335.13 - Step 5: Solve for x
x = 1,228,664,116,335.13/1,272,581.24 - Step 6: Final answer
x = 965,489.73
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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.