Finding the Fourth Proportional to 1,328,161.90, 1,832,854.86 and 755,202.02
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Solution
The fourth proportional to 1,328,161.90, 1,832,854.86 and 755,202.02 is: 1,042,173.92
Step by Step Solution
- Step 1: Write the proportion equation
1,328,161.90 : 1,832,854.86 = 755,202.02 : x - Step 2: Convert to fraction form
1,328,161.90/1,832,854.86 = 755,202.02/x - Step 3: Cross multiply
1,328,161.90x = 1,832,854.86 × 755,202.02 - Step 4: Simplify right side
1,328,161.90x = 1,384,175,692,638.82 - Step 5: Solve for x
x = 1,384,175,692,638.82/1,328,161.90 - Step 6: Final answer
x = 1,042,173.92
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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.