Finding the Fourth Proportional to 1,470,688.56, 2,029,472.28 and 826,135.92
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Solution
The fourth proportional to 1,470,688.56, 2,029,472.28 and 826,135.92 is: 1,140,023.79
Step by Step Solution
- Step 1: Write the proportion equation
1,470,688.56 : 2,029,472.28 = 826,135.92 : x - Step 2: Convert to fraction form
1,470,688.56/2,029,472.28 = 826,135.92/x - Step 3: Cross multiply
1,470,688.56x = 2,029,472.28 × 826,135.92 - Step 4: Simplify right side
1,470,688.56x = 1,676,619,949,152.30 - Step 5: Solve for x
x = 1,676,619,949,152.30/1,470,688.56 - Step 6: Final answer
x = 1,140,023.79
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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.