Finding the Fourth Proportional to 1,219,747.70, 1,683,226.68 and 675,878.72
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Solution
The fourth proportional to 1,219,747.70, 1,683,226.68 and 675,878.72 is: 932,698.70
Step by Step Solution
- Step 1: Write the proportion equation
1,219,747.70 : 1,683,226.68 = 675,878.72 : x - Step 2: Convert to fraction form
1,219,747.70/1,683,226.68 = 675,878.72/x - Step 3: Cross multiply
1,219,747.70x = 1,683,226.68 × 675,878.72 - Step 4: Simplify right side
1,219,747.70x = 1,137,657,093,948.25 - Step 5: Solve for x
x = 1,137,657,093,948.25/1,219,747.70 - Step 6: Final answer
x = 932,698.70
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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.