Finding the Fourth Proportional to 1,117,215.99, 1,674,511.58 and 516,908.79
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Solution
The fourth proportional to 1,117,215.99, 1,674,511.58 and 516,908.79 is: 774,755.97
Step by Step Solution
- Step 1: Write the proportion equation
1,117,215.99 : 1,674,511.58 = 516,908.79 : x - Step 2: Convert to fraction form
1,117,215.99/1,674,511.58 = 516,908.79/x - Step 3: Cross multiply
1,117,215.99x = 1,674,511.58 × 516,908.79 - Step 4: Simplify right side
1,117,215.99x = 865,569,755,951.06 - Step 5: Solve for x
x = 865,569,755,951.06/1,117,215.99 - Step 6: Final answer
x = 774,755.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.