Finding the Fourth Proportional to 1,410,372.84, 1,946,259.93 and 765,778.28
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Solution
The fourth proportional to 1,410,372.84, 1,946,259.93 and 765,778.28 is: 1,056,744.38
Step by Step Solution
- Step 1: Write the proportion equation
1,410,372.84 : 1,946,259.93 = 765,778.28 : x - Step 2: Convert to fraction form
1,410,372.84/1,946,259.93 = 765,778.28/x - Step 3: Cross multiply
1,410,372.84x = 1,946,259.93 × 765,778.28 - Step 4: Simplify right side
1,410,372.84x = 1,490,403,571,897.02 - Step 5: Solve for x
x = 1,490,403,571,897.02/1,410,372.84 - Step 6: Final answer
x = 1,056,744.38
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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.