Finding the Fourth Proportional to 1,217,536.94, 1,680,876.69 and 734,224.52
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Solution
The fourth proportional to 1,217,536.94, 1,680,876.69 and 734,224.52 is: 1,013,637.32
Step by Step Solution
- Step 1: Write the proportion equation
1,217,536.94 : 1,680,876.69 = 734,224.52 : x - Step 2: Convert to fraction form
1,217,536.94/1,680,876.69 = 734,224.52/x - Step 3: Cross multiply
1,217,536.94x = 1,680,876.69 × 734,224.52 - Step 4: Simplify right side
1,217,536.94x = 1,234,140,880,894.44 - Step 5: Solve for x
x = 1,234,140,880,894.44/1,217,536.94 - Step 6: Final answer
x = 1,013,637.32
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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.