Finding the Fourth Proportional to 1,195,403.97, 1,649,658.09 and 679,158.76
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Solution
The fourth proportional to 1,195,403.97, 1,649,658.09 and 679,158.76 is: 937,239.44
Step by Step Solution
- Step 1: Write the proportion equation
1,195,403.97 : 1,649,658.09 = 679,158.76 : x - Step 2: Convert to fraction form
1,195,403.97/1,649,658.09 = 679,158.76/x - Step 3: Cross multiply
1,195,403.97x = 1,649,658.09 × 679,158.76 - Step 4: Simplify right side
1,195,403.97x = 1,120,379,742,828.37 - Step 5: Solve for x
x = 1,120,379,742,828.37/1,195,403.97 - Step 6: Final answer
x = 937,239.44
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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.