Finding the Fourth Proportional to 1,317,147.84, 1,817,663.94 and 713,535.84
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Solution
The fourth proportional to 1,317,147.84, 1,817,663.94 and 713,535.84 is: 984,679.42
Step by Step Solution
- Step 1: Write the proportion equation
1,317,147.84 : 1,817,663.94 = 713,535.84 : x - Step 2: Convert to fraction form
1,317,147.84/1,817,663.94 = 713,535.84/x - Step 3: Cross multiply
1,317,147.84x = 1,817,663.94 × 713,535.84 - Step 4: Simplify right side
1,317,147.84x = 1,296,968,366,265.61 - Step 5: Solve for x
x = 1,296,968,366,265.61/1,317,147.84 - Step 6: Final answer
x = 984,679.42
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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.