Finding the Fourth Proportional to 1,122,152.86, 1,683,448.80 and 412,186.24
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Solution
The fourth proportional to 1,122,152.86, 1,683,448.80 and 412,186.24 is: 618,359.99
Step by Step Solution
- Step 1: Write the proportion equation
1,122,152.86 : 1,683,448.80 = 412,186.24 : x - Step 2: Convert to fraction form
1,122,152.86/1,683,448.80 = 412,186.24/x - Step 3: Cross multiply
1,122,152.86x = 1,683,448.80 × 412,186.24 - Step 4: Simplify right side
1,122,152.86x = 693,894,431,104.51 - Step 5: Solve for x
x = 693,894,431,104.51/1,122,152.86 - Step 6: Final answer
x = 618,359.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.