Finding the Fourth Proportional to 1,410,263.68, 1,946,163.82 and 765,683.96
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Solution
The fourth proportional to 1,410,263.68, 1,946,163.82 and 765,683.96 is: 1,056,643.82
Step by Step Solution
- Step 1: Write the proportion equation
1,410,263.68 : 1,946,163.82 = 765,683.96 : x - Step 2: Convert to fraction form
1,410,263.68/1,946,163.82 = 765,683.96/x - Step 3: Cross multiply
1,410,263.68x = 1,946,163.82 × 765,683.96 - Step 4: Simplify right side
1,410,263.68x = 1,490,146,406,947.09 - Step 5: Solve for x
x = 1,490,146,406,947.09/1,410,263.68 - Step 6: Final answer
x = 1,056,643.82
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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.