Finding the Fourth Proportional to 1,117,389.33, 1,542,322.22 and 730,262.99
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Solution
The fourth proportional to 1,117,389.33, 1,542,322.22 and 730,262.99 is: 1,007,975.28
Step by Step Solution
- Step 1: Write the proportion equation
1,117,389.33 : 1,542,322.22 = 730,262.99 : x - Step 2: Convert to fraction form
1,117,389.33/1,542,322.22 = 730,262.99/x - Step 3: Cross multiply
1,117,389.33x = 1,542,322.22 × 730,262.99 - Step 4: Simplify right side
1,117,389.33x = 1,126,300,824,557.71 - Step 5: Solve for x
x = 1,126,300,824,557.71/1,117,389.33 - Step 6: Final answer
x = 1,007,975.28
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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.