Finding the Fourth Proportional to 1,292,054.84, 1,938,259.58 and 438,897.49
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Solution
The fourth proportional to 1,292,054.84, 1,938,259.58 and 438,897.49 is: 658,406.46
Step by Step Solution
- Step 1: Write the proportion equation
1,292,054.84 : 1,938,259.58 = 438,897.49 : x - Step 2: Convert to fraction form
1,292,054.84/1,938,259.58 = 438,897.49/x - Step 3: Cross multiply
1,292,054.84x = 1,938,259.58 × 438,897.49 - Step 4: Simplify right side
1,292,054.84x = 850,697,260,059.12 - Step 5: Solve for x
x = 850,697,260,059.12/1,292,054.84 - Step 6: Final answer
x = 658,406.46
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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.