Finding the Fourth Proportional to 1,436,495.74, 1,982,313.07 and 783,108.23
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Solution
The fourth proportional to 1,436,495.74, 1,982,313.07 and 783,108.23 is: 1,080,661.52
Step by Step Solution
- Step 1: Write the proportion equation
1,436,495.74 : 1,982,313.07 = 783,108.23 : x - Step 2: Convert to fraction form
1,436,495.74/1,982,313.07 = 783,108.23/x - Step 3: Cross multiply
1,436,495.74x = 1,982,313.07 × 783,108.23 - Step 4: Simplify right side
1,436,495.74x = 1,552,365,667,684.23 - Step 5: Solve for x
x = 1,552,365,667,684.23/1,436,495.74 - Step 6: Final answer
x = 1,080,661.52
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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.