Finding the Fourth Proportional to 1,317,235.92, 1,817,787.42 and 713,623.92
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Solution
The fourth proportional to 1,317,235.92, 1,817,787.42 and 713,623.92 is: 984,802.01
Step by Step Solution
- Step 1: Write the proportion equation
1,317,235.92 : 1,817,787.42 = 713,623.92 : x - Step 2: Convert to fraction form
1,317,235.92/1,817,787.42 = 713,623.92/x - Step 3: Cross multiply
1,317,235.92x = 1,817,787.42 × 713,623.92 - Step 4: Simplify right side
1,317,235.92x = 1,297,216,584,387.09 - Step 5: Solve for x
x = 1,297,216,584,387.09/1,317,235.92 - Step 6: Final answer
x = 984,802.01
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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.