Finding the Fourth Proportional to 1,219,195.63, 1,682,545.35 and 675,331.36
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Solution
The fourth proportional to 1,219,195.63, 1,682,545.35 and 675,331.36 is: 931,987.95
Step by Step Solution
- Step 1: Write the proportion equation
1,219,195.63 : 1,682,545.35 = 675,331.36 : x - Step 2: Convert to fraction form
1,219,195.63/1,682,545.35 = 675,331.36/x - Step 3: Cross multiply
1,219,195.63x = 1,682,545.35 × 675,331.36 - Step 4: Simplify right side
1,219,195.63x = 1,136,275,634,004.57 - Step 5: Solve for x
x = 1,136,275,634,004.57/1,219,195.63 - Step 6: Final answer
x = 931,987.95
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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.