Finding the Fourth Proportional to 1,202,929.13, 1,659,783.87 and 713,053.10
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Solution
The fourth proportional to 1,202,929.13, 1,659,783.87 and 713,053.10 is: 983,860.15
Step by Step Solution
- Step 1: Write the proportion equation
1,202,929.13 : 1,659,783.87 = 713,053.10 : x - Step 2: Convert to fraction form
1,202,929.13/1,659,783.87 = 713,053.10/x - Step 3: Cross multiply
1,202,929.13x = 1,659,783.87 × 713,053.10 - Step 4: Simplify right side
1,202,929.13x = 1,183,514,037,982.96 - Step 5: Solve for x
x = 1,183,514,037,982.96/1,202,929.13 - Step 6: Final answer
x = 983,860.15
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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.