Finding the Fourth Proportional to 1,436,699.36, 1,982,660.60 and 783,320.06
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Solution
The fourth proportional to 1,436,699.36, 1,982,660.60 and 783,320.06 is: 1,080,990.13
Step by Step Solution
- Step 1: Write the proportion equation
1,436,699.36 : 1,982,660.60 = 783,320.06 : x - Step 2: Convert to fraction form
1,436,699.36/1,982,660.60 = 783,320.06/x - Step 3: Cross multiply
1,436,699.36x = 1,982,660.60 × 783,320.06 - Step 4: Simplify right side
1,436,699.36x = 1,553,057,830,956.21 - Step 5: Solve for x
x = 1,553,057,830,956.21/1,436,699.36 - Step 6: Final answer
x = 1,080,990.13
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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.