Finding the Fourth Proportional to 1,135,998.84, 1,703,497.02 and 425,528.40
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Solution
The fourth proportional to 1,135,998.84, 1,703,497.02 and 425,528.40 is: 638,104.84
Step by Step Solution
- Step 1: Write the proportion equation
1,135,998.84 : 1,703,497.02 = 425,528.40 : x - Step 2: Convert to fraction form
1,135,998.84/1,703,497.02 = 425,528.40/x - Step 3: Cross multiply
1,135,998.84x = 1,703,497.02 × 425,528.40 - Step 4: Simplify right side
1,135,998.84x = 724,886,361,325.37 - Step 5: Solve for x
x = 724,886,361,325.37/1,135,998.84 - Step 6: Final answer
x = 638,104.84
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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.