Finding the Fourth Proportional to 1,137,211.51, 1,569,310.68 and 627,902.95
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Solution
The fourth proportional to 1,137,211.51, 1,569,310.68 and 627,902.95 is: 866,483.32
Step by Step Solution
- Step 1: Write the proportion equation
1,137,211.51 : 1,569,310.68 = 627,902.95 : x - Step 2: Convert to fraction form
1,137,211.51/1,569,310.68 = 627,902.95/x - Step 3: Cross multiply
1,137,211.51x = 1,569,310.68 × 627,902.95 - Step 4: Simplify right side
1,137,211.51x = 985,374,805,438.51 - Step 5: Solve for x
x = 985,374,805,438.51/1,137,211.51 - Step 6: Final answer
x = 866,483.32
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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.