Finding the Fourth Proportional to 1,240,108.74, 1,711,238.46 and 723,907.44
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Solution
The fourth proportional to 1,240,108.74, 1,711,238.46 and 723,907.44 is: 998,927.12
Step by Step Solution
- Step 1: Write the proportion equation
1,240,108.74 : 1,711,238.46 = 723,907.44 : x - Step 2: Convert to fraction form
1,240,108.74/1,711,238.46 = 723,907.44/x - Step 3: Cross multiply
1,240,108.74x = 1,711,238.46 × 723,907.44 - Step 4: Simplify right side
1,240,108.74x = 1,238,778,252,808.14 - Step 5: Solve for x
x = 1,238,778,252,808.14/1,240,108.74 - Step 6: Final answer
x = 998,927.12
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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.