Finding the Fourth Proportional to 1,247,798.79, 1,721,963.48 and 674,838.96
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Solution
The fourth proportional to 1,247,798.79, 1,721,963.48 and 674,838.96 is: 931,278.38
Step by Step Solution
- Step 1: Write the proportion equation
1,247,798.79 : 1,721,963.48 = 674,838.96 : x - Step 2: Convert to fraction form
1,247,798.79/1,721,963.48 = 674,838.96/x - Step 3: Cross multiply
1,247,798.79x = 1,721,963.48 × 674,838.96 - Step 4: Simplify right side
1,247,798.79x = 1,162,048,040,626.99 - Step 5: Solve for x
x = 1,162,048,040,626.99/1,247,798.79 - Step 6: Final answer
x = 931,278.38
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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.