Finding the Fourth Proportional to 1,317,302.28, 1,817,876.79 and 713,690.28
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Solution
The fourth proportional to 1,317,302.28, 1,817,876.79 and 713,690.28 is: 984,892.39
Step by Step Solution
- Step 1: Write the proportion equation
1,317,302.28 : 1,817,876.79 = 713,690.28 : x - Step 2: Convert to fraction form
1,317,302.28/1,817,876.79 = 713,690.28/x - Step 3: Cross multiply
1,317,302.28x = 1,817,876.79 × 713,690.28 - Step 4: Simplify right side
1,317,302.28x = 1,297,400,995,260.60 - Step 5: Solve for x
x = 1,297,400,995,260.60/1,317,302.28 - Step 6: Final answer
x = 984,892.39
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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.