Finding the Fourth Proportional to 1,328,497.29, 1,833,330.47 and 755,577.45
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Solution
The fourth proportional to 1,328,497.29, 1,833,330.47 and 755,577.45 is: 1,042,699.27
Step by Step Solution
- Step 1: Write the proportion equation
1,328,497.29 : 1,833,330.47 = 755,577.45 : x - Step 2: Convert to fraction form
1,328,497.29/1,833,330.47 = 755,577.45/x - Step 3: Cross multiply
1,328,497.29x = 1,833,330.47 × 755,577.45 - Step 4: Simplify right side
1,328,497.29x = 1,385,223,157,752.01 - Step 5: Solve for x
x = 1,385,223,157,752.01/1,328,497.29 - Step 6: Final answer
x = 1,042,699.27
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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.