Finding the Fourth Proportional to 1,404,715.77, 1,938,512.97 and 760,135.95
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Solution
The fourth proportional to 1,404,715.77, 1,938,512.97 and 760,135.95 is: 1,048,990.43
Step by Step Solution
- Step 1: Write the proportion equation
1,404,715.77 : 1,938,512.97 = 760,135.95 : x - Step 2: Convert to fraction form
1,404,715.77/1,938,512.97 = 760,135.95/x - Step 3: Cross multiply
1,404,715.77x = 1,938,512.97 × 760,135.95 - Step 4: Simplify right side
1,404,715.77x = 1,473,533,398,038.27 - Step 5: Solve for x
x = 1,473,533,398,038.27/1,404,715.77 - Step 6: Final answer
x = 1,048,990.43
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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.