Finding the Fourth Proportional to 1,143,589, 1,578,160.20 and 634,292.68
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Solution
The fourth proportional to 1,143,589, 1,578,160.20 and 634,292.68 is: 875,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,143,589 : 1,578,160.20 = 634,292.68 : x - Step 2: Convert to fraction form
1,143,589/1,578,160.20 = 634,292.68/x - Step 3: Cross multiply
1,143,589x = 1,578,160.20 × 634,292.68 - Step 4: Simplify right side
1,143,589x = 1,001,015,462,727.34 - Step 5: Solve for x
x = 1,001,015,462,727.34/1,143,589 - Step 6: Final answer
x = 875,327.99
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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.