Finding the Fourth Proportional to 1,344,037.68, 1,854,771.90 and 740,425.68
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Solution
The fourth proportional to 1,344,037.68, 1,854,771.90 and 740,425.68 is: 1,021,787.38
Step by Step Solution
- Step 1: Write the proportion equation
1,344,037.68 : 1,854,771.90 = 740,425.68 : x - Step 2: Convert to fraction form
1,344,037.68/1,854,771.90 = 740,425.68/x - Step 3: Cross multiply
1,344,037.68x = 1,854,771.90 × 740,425.68 - Step 4: Simplify right side
1,344,037.68x = 1,373,320,745,302.39 - Step 5: Solve for x
x = 1,373,320,745,302.39/1,344,037.68 - Step 6: Final answer
x = 1,021,787.38
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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.