Finding the Fourth Proportional to 1,430,445.48, 1,974,049.56 and 785,907.42
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Solution
The fourth proportional to 1,430,445.48, 1,974,049.56 and 785,907.42 is: 1,084,571.36
Step by Step Solution
- Step 1: Write the proportion equation
1,430,445.48 : 1,974,049.56 = 785,907.42 : x - Step 2: Convert to fraction form
1,430,445.48/1,974,049.56 = 785,907.42/x - Step 3: Cross multiply
1,430,445.48x = 1,974,049.56 × 785,907.42 - Step 4: Simplify right side
1,430,445.48x = 1,551,420,196,651.74 - Step 5: Solve for x
x = 1,551,420,196,651.74/1,430,445.48 - Step 6: Final answer
x = 1,084,571.36
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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.