Finding the Fourth Proportional to 1,299,351.13, 1,793,053.13 and 718,536.56
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Solution
The fourth proportional to 1,299,351.13, 1,793,053.13 and 718,536.56 is: 991,552.00
Step by Step Solution
- Step 1: Write the proportion equation
1,299,351.13 : 1,793,053.13 = 718,536.56 : x - Step 2: Convert to fraction form
1,299,351.13/1,793,053.13 = 718,536.56/x - Step 3: Cross multiply
1,299,351.13x = 1,793,053.13 × 718,536.56 - Step 4: Simplify right side
1,299,351.13x = 1,288,374,215,369.48 - Step 5: Solve for x
x = 1,288,374,215,369.48/1,299,351.13 - Step 6: Final answer
x = 991,552.00
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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.