Finding the Fourth Proportional to 1,182,372.88, 1,631,940.35 and 774,237.67
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Solution
The fourth proportional to 1,182,372.88, 1,631,940.35 and 774,237.67 is: 1,068,622.02
Step by Step Solution
- Step 1: Write the proportion equation
1,182,372.88 : 1,631,940.35 = 774,237.67 : x - Step 2: Convert to fraction form
1,182,372.88/1,631,940.35 = 774,237.67/x - Step 3: Cross multiply
1,182,372.88x = 1,631,940.35 × 774,237.67 - Step 4: Simplify right side
1,182,372.88x = 1,263,509,694,162.98 - Step 5: Solve for x
x = 1,263,509,694,162.98/1,182,372.88 - Step 6: Final answer
x = 1,068,622.02
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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.