Finding the Fourth Proportional to 1,224,723.92, 1,690,176.68 and 680,868.79
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Solution
The fourth proportional to 1,224,723.92, 1,690,176.68 and 680,868.79 is: 939,631.00
Step by Step Solution
- Step 1: Write the proportion equation
1,224,723.92 : 1,690,176.68 = 680,868.79 : x - Step 2: Convert to fraction form
1,224,723.92/1,690,176.68 = 680,868.79/x - Step 3: Cross multiply
1,224,723.92x = 1,690,176.68 × 680,868.79 - Step 4: Simplify right side
1,224,723.92x = 1,150,788,559,258.42 - Step 5: Solve for x
x = 1,150,788,559,258.42/1,224,723.92 - Step 6: Final answer
x = 939,631.00
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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.