Finding the Fourth Proportional to 1,325,368.44, 1,829,056.14 and 781,255.80
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Solution
The fourth proportional to 1,325,368.44, 1,829,056.14 and 781,255.80 is: 1,078,161.12
Step by Step Solution
- Step 1: Write the proportion equation
1,325,368.44 : 1,829,056.14 = 781,255.80 : x - Step 2: Convert to fraction form
1,325,368.44/1,829,056.14 = 781,255.80/x - Step 3: Cross multiply
1,325,368.44x = 1,829,056.14 × 781,255.80 - Step 4: Simplify right side
1,325,368.44x = 1,428,960,717,900.61 - Step 5: Solve for x
x = 1,428,960,717,900.61/1,325,368.44 - Step 6: Final answer
x = 1,078,161.12
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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.