Finding the Fourth Proportional to 1,143,948.68, 1,578,838.02 and 634,815.08
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Solution
The fourth proportional to 1,143,948.68, 1,578,838.02 and 634,815.08 is: 876,149.60
Step by Step Solution
- Step 1: Write the proportion equation
1,143,948.68 : 1,578,838.02 = 634,815.08 : x - Step 2: Convert to fraction form
1,143,948.68/1,578,838.02 = 634,815.08/x - Step 3: Cross multiply
1,143,948.68x = 1,578,838.02 × 634,815.08 - Step 4: Simplify right side
1,143,948.68x = 1,002,270,183,973.34 - Step 5: Solve for x
x = 1,002,270,183,973.34/1,143,948.68 - Step 6: Final answer
x = 876,149.60
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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.