Finding the Fourth Proportional to 1,219,738.68, 1,683,276.28 and 675,823.58
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Solution
The fourth proportional to 1,219,738.68, 1,683,276.28 and 675,823.58 is: 932,656.98
Step by Step Solution
- Step 1: Write the proportion equation
1,219,738.68 : 1,683,276.28 = 675,823.58 : x - Step 2: Convert to fraction form
1,219,738.68/1,683,276.28 = 675,823.58/x - Step 3: Cross multiply
1,219,738.68x = 1,683,276.28 × 675,823.58 - Step 4: Simplify right side
1,219,738.68x = 1,137,597,797,885.03 - Step 5: Solve for x
x = 1,137,597,797,885.03/1,219,738.68 - Step 6: Final answer
x = 932,656.98
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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.