Finding the Fourth Proportional to 1,128,579.73, 1,692,513.98 and 370,244.49
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Solution
The fourth proportional to 1,128,579.73, 1,692,513.98 and 370,244.49 is: 555,250.07
Step by Step Solution
- Step 1: Write the proportion equation
1,128,579.73 : 1,692,513.98 = 370,244.49 : x - Step 2: Convert to fraction form
1,128,579.73/1,692,513.98 = 370,244.49/x - Step 3: Cross multiply
1,128,579.73x = 1,692,513.98 × 370,244.49 - Step 4: Simplify right side
1,128,579.73x = 626,643,970,615.86 - Step 5: Solve for x
x = 626,643,970,615.86/1,128,579.73 - Step 6: Final answer
x = 555,250.07
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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.