Finding the Fourth Proportional to 1,328,470.08, 1,833,278.88 and 755,509.44
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Solution
The fourth proportional to 1,328,470.08, 1,833,278.88 and 755,509.44 is: 1,042,597.44
Step by Step Solution
- Step 1: Write the proportion equation
1,328,470.08 : 1,833,278.88 = 755,509.44 : x - Step 2: Convert to fraction form
1,328,470.08/1,833,278.88 = 755,509.44/x - Step 3: Cross multiply
1,328,470.08x = 1,833,278.88 × 755,509.44 - Step 4: Simplify right side
1,328,470.08x = 1,385,059,499,992.63 - Step 5: Solve for x
x = 1,385,059,499,992.63/1,328,470.08 - Step 6: Final answer
x = 1,042,597.44
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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.