Finding the Fourth Proportional to 1,119,936.24, 1,545,473.52 and 636,492.96
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Solution
The fourth proportional to 1,119,936.24, 1,545,473.52 and 636,492.96 is: 878,338.41
Step by Step Solution
- Step 1: Write the proportion equation
1,119,936.24 : 1,545,473.52 = 636,492.96 : x - Step 2: Convert to fraction form
1,119,936.24/1,545,473.52 = 636,492.96/x - Step 3: Cross multiply
1,119,936.24x = 1,545,473.52 × 636,492.96 - Step 4: Simplify right side
1,119,936.24x = 983,683,015,346.42 - Step 5: Solve for x
x = 983,683,015,346.42/1,119,936.24 - Step 6: Final answer
x = 878,338.41
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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.