Finding the Fourth Proportional to 1,135,581.04, 1,703,304.36 and 425,549.68
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Solution
The fourth proportional to 1,135,581.04, 1,703,304.36 and 425,549.68 is: 638,299.34
Step by Step Solution
- Step 1: Write the proportion equation
1,135,581.04 : 1,703,304.36 = 425,549.68 : x - Step 2: Convert to fraction form
1,135,581.04/1,703,304.36 = 425,549.68/x - Step 3: Cross multiply
1,135,581.04x = 1,703,304.36 × 425,549.68 - Step 4: Simplify right side
1,135,581.04x = 724,840,625,340.61 - Step 5: Solve for x
x = 724,840,625,340.61/1,135,581.04 - Step 6: Final answer
x = 638,299.34
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1.5x scale
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.