Finding the Fourth Proportional to 1,246,372.67, 1,869,810.51 and 393,577.53
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Solution
The fourth proportional to 1,246,372.67, 1,869,810.51 and 393,577.53 is: 590,445.72
Step by Step Solution
- Step 1: Write the proportion equation
1,246,372.67 : 1,869,810.51 = 393,577.53 : x - Step 2: Convert to fraction form
1,246,372.67/1,869,810.51 = 393,577.53/x - Step 3: Cross multiply
1,246,372.67x = 1,869,810.51 × 393,577.53 - Step 4: Simplify right side
1,246,372.67x = 735,915,402,093.84 - Step 5: Solve for x
x = 735,915,402,093.84/1,246,372.67 - Step 6: Final answer
x = 590,445.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.