Finding the Fourth Proportional to 1,430,481.98, 1,974,099.94 and 785,943.92
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Solution
The fourth proportional to 1,430,481.98, 1,974,099.94 and 785,943.92 is: 1,084,621.73
Step by Step Solution
- Step 1: Write the proportion equation
1,430,481.98 : 1,974,099.94 = 785,943.92 : x - Step 2: Convert to fraction form
1,430,481.98/1,974,099.94 = 785,943.92/x - Step 3: Cross multiply
1,430,481.98x = 1,974,099.94 × 785,943.92 - Step 4: Simplify right side
1,430,481.98x = 1,551,531,845,315.36 - Step 5: Solve for x
x = 1,551,531,845,315.36/1,430,481.98 - Step 6: Final answer
x = 1,084,621.73
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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.