Finding the Fourth Proportional to 914,181.12, 1,260,889.56 and 591,642.36
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Solution
The fourth proportional to 914,181.12, 1,260,889.56 and 591,642.36 is: 816,026.12
Step by Step Solution
- Step 1: Write the proportion equation
914,181.12 : 1,260,889.56 = 591,642.36 : x - Step 2: Convert to fraction form
914,181.12/1,260,889.56 = 591,642.36/x - Step 3: Cross multiply
914,181.12x = 1,260,889.56 × 591,642.36 - Step 4: Simplify right side
914,181.12x = 745,995,674,977.76 - Step 5: Solve for x
x = 745,995,674,977.76/914,181.12 - Step 6: Final answer
x = 816,026.12
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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.