Finding the Fourth Proportional to 1,119,867.80, 1,678,737.50 and 713,920.51
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Solution
The fourth proportional to 1,119,867.80, 1,678,737.50 and 713,920.51 is: 1,070,202.32
Step by Step Solution
- Step 1: Write the proportion equation
1,119,867.80 : 1,678,737.50 = 713,920.51 : x - Step 2: Convert to fraction form
1,119,867.80/1,678,737.50 = 713,920.51/x - Step 3: Cross multiply
1,119,867.80x = 1,678,737.50 × 713,920.51 - Step 4: Simplify right side
1,119,867.80x = 1,198,485,120,192.84 - Step 5: Solve for x
x = 1,198,485,120,192.84/1,119,867.80 - Step 6: Final answer
x = 1,070,202.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.