Finding the Fourth Proportional to 1,145,440.68, 1,580,615.91 and 662,037.14
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Solution
The fourth proportional to 1,145,440.68, 1,580,615.91 and 662,037.14 is: 913,557.94
Step by Step Solution
- Step 1: Write the proportion equation
1,145,440.68 : 1,580,615.91 = 662,037.14 : x - Step 2: Convert to fraction form
1,145,440.68/1,580,615.91 = 662,037.14/x - Step 3: Cross multiply
1,145,440.68x = 1,580,615.91 × 662,037.14 - Step 4: Simplify right side
1,145,440.68x = 1,046,426,428,591.82 - Step 5: Solve for x
x = 1,046,426,428,591.82/1,145,440.68 - Step 6: Final answer
x = 913,557.94
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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.