Finding the Fourth Proportional to 1,146,928.87, 1,582,802.27 and 630,721.99
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Solution
The fourth proportional to 1,146,928.87, 1,582,802.27 and 630,721.99 is: 870,418.58
Step by Step Solution
- Step 1: Write the proportion equation
1,146,928.87 : 1,582,802.27 = 630,721.99 : x - Step 2: Convert to fraction form
1,146,928.87/1,582,802.27 = 630,721.99/x - Step 3: Cross multiply
1,146,928.87x = 1,582,802.27 × 630,721.99 - Step 4: Simplify right side
1,146,928.87x = 998,308,197,510.92 - Step 5: Solve for x
x = 998,308,197,510.92/1,146,928.87 - Step 6: Final answer
x = 870,418.58
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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.