Finding the Fourth Proportional to 1,283,135.99, 1,770,720.95 and 710,156.57
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Solution
The fourth proportional to 1,283,135.99, 1,770,720.95 and 710,156.57 is: 980,012.35
Step by Step Solution
- Step 1: Write the proportion equation
1,283,135.99 : 1,770,720.95 = 710,156.57 : x - Step 2: Convert to fraction form
1,283,135.99/1,770,720.95 = 710,156.57/x - Step 3: Cross multiply
1,283,135.99x = 1,770,720.95 × 710,156.57 - Step 4: Simplify right side
1,283,135.99x = 1,257,489,109,200.93 - Step 5: Solve for x
x = 1,257,489,109,200.93/1,283,135.99 - Step 6: Final answer
x = 980,012.35
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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.