Finding the Fourth Proportional to 1,215,366.76, 1,677,239.94 and 671,537.58
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Solution
The fourth proportional to 1,215,366.76, 1,677,239.94 and 671,537.58 is: 926,740.55
Step by Step Solution
- Step 1: Write the proportion equation
1,215,366.76 : 1,677,239.94 = 671,537.58 : x - Step 2: Convert to fraction form
1,215,366.76/1,677,239.94 = 671,537.58/x - Step 3: Cross multiply
1,215,366.76x = 1,677,239.94 × 671,537.58 - Step 4: Simplify right side
1,215,366.76x = 1,126,329,650,386.95 - Step 5: Solve for x
x = 1,126,329,650,386.95/1,215,366.76 - Step 6: Final answer
x = 926,740.55
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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.