Finding the Fourth Proportional to 1,395,406.16, 1,925,110.94 and 806,316.36
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Solution
The fourth proportional to 1,395,406.16, 1,925,110.94 and 806,316.36 is: 1,112,399.02
Step by Step Solution
- Step 1: Write the proportion equation
1,395,406.16 : 1,925,110.94 = 806,316.36 : x - Step 2: Convert to fraction form
1,395,406.16/1,925,110.94 = 806,316.36/x - Step 3: Cross multiply
1,395,406.16x = 1,925,110.94 × 806,316.36 - Step 4: Simplify right side
1,395,406.16x = 1,552,248,445,736.98 - Step 5: Solve for x
x = 1,552,248,445,736.98/1,395,406.16 - Step 6: Final answer
x = 1,112,399.02
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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.