Finding the Fourth Proportional to 1,117,756.26, 1,542,495.96 and 608,457.42
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Solution
The fourth proportional to 1,117,756.26, 1,542,495.96 and 608,457.42 is: 839,667.06
Step by Step Solution
- Step 1: Write the proportion equation
1,117,756.26 : 1,542,495.96 = 608,457.42 : x - Step 2: Convert to fraction form
1,117,756.26/1,542,495.96 = 608,457.42/x - Step 3: Cross multiply
1,117,756.26x = 1,542,495.96 × 608,457.42 - Step 4: Simplify right side
1,117,756.26x = 938,543,112,182.02 - Step 5: Solve for x
x = 938,543,112,182.02/1,117,756.26 - Step 6: Final answer
x = 839,667.06
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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.