Finding the Fourth Proportional to 1,207,777.50, 1,666,732.95 and 698,512.68
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Solution
The fourth proportional to 1,207,777.50, 1,666,732.95 and 698,512.68 is: 963,947.50
Step by Step Solution
- Step 1: Write the proportion equation
1,207,777.50 : 1,666,732.95 = 698,512.68 : x - Step 2: Convert to fraction form
1,207,777.50/1,666,732.95 = 698,512.68/x - Step 3: Cross multiply
1,207,777.50x = 1,666,732.95 × 698,512.68 - Step 4: Simplify right side
1,207,777.50x = 1,164,234,099,748.81 - Step 5: Solve for x
x = 1,164,234,099,748.81/1,207,777.50 - Step 6: Final answer
x = 963,947.50
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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.