Finding the Fourth Proportional to 1,247,741.81, 1,721,888.87 and 674,781.98
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Solution
The fourth proportional to 1,247,741.81, 1,721,888.87 and 674,781.98 is: 931,201.92
Step by Step Solution
- Step 1: Write the proportion equation
1,247,741.81 : 1,721,888.87 = 674,781.98 : x - Step 2: Convert to fraction form
1,247,741.81/1,721,888.87 = 674,781.98/x - Step 3: Cross multiply
1,247,741.81x = 1,721,888.87 × 674,781.98 - Step 4: Simplify right side
1,247,741.81x = 1,161,899,569,055.21 - Step 5: Solve for x
x = 1,161,899,569,055.21/1,247,741.81 - Step 6: Final answer
x = 931,201.92
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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.