Finding the Fourth Proportional to 1,112,102.16, 1,534,701.66 and 602,804.54
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Solution
The fourth proportional to 1,112,102.16, 1,534,701.66 and 602,804.54 is: 831,870.63
Step by Step Solution
- Step 1: Write the proportion equation
1,112,102.16 : 1,534,701.66 = 602,804.54 : x - Step 2: Convert to fraction form
1,112,102.16/1,534,701.66 = 602,804.54/x - Step 3: Cross multiply
1,112,102.16x = 1,534,701.66 × 602,804.54 - Step 4: Simplify right side
1,112,102.16x = 925,125,128,193.54 - Step 5: Solve for x
x = 925,125,128,193.54/1,112,102.16 - Step 6: Final answer
x = 831,870.63
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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.