Finding the Fourth Proportional to 1,117,936.79, 1,676,869.37 and 469,856.26
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Solution
The fourth proportional to 1,117,936.79, 1,676,869.37 and 469,856.26 is: 704,769.33
Step by Step Solution
- Step 1: Write the proportion equation
1,117,936.79 : 1,676,869.37 = 469,856.26 : x - Step 2: Convert to fraction form
1,117,936.79/1,676,869.37 = 469,856.26/x - Step 3: Cross multiply
1,117,936.79x = 1,676,869.37 × 469,856.26 - Step 4: Simplify right side
1,117,936.79x = 787,887,559,963.13 - Step 5: Solve for x
x = 787,887,559,963.13/1,117,936.79 - Step 6: Final answer
x = 704,769.33
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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.