Finding the Fourth Proportional to 1,376,509.68, 1,899,607.68 and 764,717.76
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Solution
The fourth proportional to 1,376,509.68, 1,899,607.68 and 764,717.76 is: 1,055,324.02
Step by Step Solution
- Step 1: Write the proportion equation
1,376,509.68 : 1,899,607.68 = 764,717.76 : x - Step 2: Convert to fraction form
1,376,509.68/1,899,607.68 = 764,717.76/x - Step 3: Cross multiply
1,376,509.68x = 1,899,607.68 × 764,717.76 - Step 4: Simplify right side
1,376,509.68x = 1,452,663,729,928.40 - Step 5: Solve for x
x = 1,452,663,729,928.40/1,376,509.68 - Step 6: Final answer
x = 1,055,324.02
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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.