Finding the Fourth Proportional to 1,348,951.68, 1,862,421.12 and 865,725.12
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Solution
The fourth proportional to 1,348,951.68, 1,862,421.12 and 865,725.12 is: 1,195,257.60
Step by Step Solution
- Step 1: Write the proportion equation
1,348,951.68 : 1,862,421.12 = 865,725.12 : x - Step 2: Convert to fraction form
1,348,951.68/1,862,421.12 = 865,725.12/x - Step 3: Cross multiply
1,348,951.68x = 1,862,421.12 × 865,725.12 - Step 4: Simplify right side
1,348,951.68x = 1,612,344,747,602.53 - Step 5: Solve for x
x = 1,612,344,747,602.53/1,348,951.68 - Step 6: Final answer
x = 1,195,257.60
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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.