Finding the Fourth Proportional to 1,146,827.97, 1,582,663.05 and 630,621.18
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Solution
The fourth proportional to 1,146,827.97, 1,582,663.05 and 630,621.18 is: 870,279.47
Step by Step Solution
- Step 1: Write the proportion equation
1,146,827.97 : 1,582,663.05 = 630,621.18 : x - Step 2: Convert to fraction form
1,146,827.97/1,582,663.05 = 630,621.18/x - Step 3: Cross multiply
1,146,827.97x = 1,582,663.05 × 630,621.18 - Step 4: Simplify right side
1,146,827.97x = 998,060,840,133.40 - Step 5: Solve for x
x = 998,060,840,133.40/1,146,827.97 - Step 6: Final answer
x = 870,279.47
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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.