Finding the Fourth Proportional to 1,111,625.68, 1,534,043.68 and 602,328.08
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Solution
The fourth proportional to 1,111,625.68, 1,534,043.68 and 602,328.08 is: 831,212.88
Step by Step Solution
- Step 1: Write the proportion equation
1,111,625.68 : 1,534,043.68 = 602,328.08 : x - Step 2: Convert to fraction form
1,111,625.68/1,534,043.68 = 602,328.08/x - Step 3: Cross multiply
1,111,625.68x = 1,534,043.68 × 602,328.08 - Step 4: Simplify right side
1,111,625.68x = 923,997,584,410.53 - Step 5: Solve for x
x = 923,997,584,410.53/1,111,625.68 - Step 6: Final answer
x = 831,212.88
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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.