Finding the Fourth Proportional to 1,328,471.08, 1,833,280.26 and 755,510.44
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Solution
The fourth proportional to 1,328,471.08, 1,833,280.26 and 755,510.44 is: 1,042,598.82
Step by Step Solution
- Step 1: Write the proportion equation
1,328,471.08 : 1,833,280.26 = 755,510.44 : x - Step 2: Convert to fraction form
1,328,471.08/1,833,280.26 = 755,510.44/x - Step 3: Cross multiply
1,328,471.08x = 1,833,280.26 × 755,510.44 - Step 4: Simplify right side
1,328,471.08x = 1,385,062,375,875.91 - Step 5: Solve for x
x = 1,385,062,375,875.91/1,328,471.08 - Step 6: Final answer
x = 1,042,598.82
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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.