Finding the Fourth Proportional to 1,326,255.75, 1,830,232.96 and 722,643.75
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Solution
The fourth proportional to 1,326,255.75, 1,830,232.96 and 722,643.75 is: 997,248.39
Step by Step Solution
- Step 1: Write the proportion equation
1,326,255.75 : 1,830,232.96 = 722,643.75 : x - Step 2: Convert to fraction form
1,326,255.75/1,830,232.96 = 722,643.75/x - Step 3: Cross multiply
1,326,255.75x = 1,830,232.96 × 722,643.75 - Step 4: Simplify right side
1,326,255.75x = 1,322,606,409,588 - Step 5: Solve for x
x = 1,322,606,409,588/1,326,255.75 - Step 6: Final answer
x = 997,248.39
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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.