Finding the Fourth Proportional to 1,430,558.48, 1,974,138.96 and 777,167.62
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Solution
The fourth proportional to 1,430,558.48, 1,974,138.96 and 777,167.62 is: 1,072,474.07
Step by Step Solution
- Step 1: Write the proportion equation
1,430,558.48 : 1,974,138.96 = 777,167.62 : x - Step 2: Convert to fraction form
1,430,558.48/1,974,138.96 = 777,167.62/x - Step 3: Cross multiply
1,430,558.48x = 1,974,138.96 × 777,167.62 - Step 4: Simplify right side
1,430,558.48x = 1,534,236,877,092.48 - Step 5: Solve for x
x = 1,534,236,877,092.48/1,430,558.48 - Step 6: Final answer
x = 1,072,474.07
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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.