Finding the Fourth Proportional to 1,219,657.60, 1,683,082.09 and 703,433.13
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Solution
The fourth proportional to 1,219,657.60, 1,683,082.09 and 703,433.13 is: 970,711.53
Step by Step Solution
- Step 1: Write the proportion equation
1,219,657.60 : 1,683,082.09 = 703,433.13 : x - Step 2: Convert to fraction form
1,219,657.60/1,683,082.09 = 703,433.13/x - Step 3: Cross multiply
1,219,657.60x = 1,683,082.09 × 703,433.13 - Step 4: Simplify right side
1,219,657.60x = 1,183,935,697,183.38 - Step 5: Solve for x
x = 1,183,935,697,183.38/1,219,657.60 - Step 6: Final answer
x = 970,711.53
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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.