Finding the Fourth Proportional to 1,122,369.86, 1,683,803.56 and 323,589.08
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Solution
The fourth proportional to 1,122,369.86, 1,683,803.56 and 323,589.08 is: 485,455.34
Step by Step Solution
- Step 1: Write the proportion equation
1,122,369.86 : 1,683,803.56 = 323,589.08 : x - Step 2: Convert to fraction form
1,122,369.86/1,683,803.56 = 323,589.08/x - Step 3: Cross multiply
1,122,369.86x = 1,683,803.56 × 323,589.08 - Step 4: Simplify right side
1,122,369.86x = 544,860,444,881.13 - Step 5: Solve for x
x = 544,860,444,881.13/1,122,369.86 - Step 6: Final answer
x = 485,455.34
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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.