Finding the Fourth Proportional to 1,292,259.60, 1,938,566.88 and 439,102.08
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Solution
The fourth proportional to 1,292,259.60, 1,938,566.88 and 439,102.08 is: 658,713.43
Step by Step Solution
- Step 1: Write the proportion equation
1,292,259.60 : 1,938,566.88 = 439,102.08 : x - Step 2: Convert to fraction form
1,292,259.60/1,938,566.88 = 439,102.08/x - Step 3: Cross multiply
1,292,259.60x = 1,938,566.88 × 439,102.08 - Step 4: Simplify right side
1,292,259.60x = 851,228,749,227.11 - Step 5: Solve for x
x = 851,228,749,227.11/1,292,259.60 - Step 6: Final answer
x = 658,713.43
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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.