Finding the Fourth Proportional to 1,074,930.24, 1,484,015.58 and 712,842.93
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Solution
The fourth proportional to 1,074,930.24, 1,484,015.58 and 712,842.93 is: 984,128.99
Step by Step Solution
- Step 1: Write the proportion equation
1,074,930.24 : 1,484,015.58 = 712,842.93 : x - Step 2: Convert to fraction form
1,074,930.24/1,484,015.58 = 712,842.93/x - Step 3: Cross multiply
1,074,930.24x = 1,484,015.58 × 712,842.93 - Step 4: Simplify right side
1,074,930.24x = 1,057,870,014,212.85 - Step 5: Solve for x
x = 1,057,870,014,212.85/1,074,930.24 - Step 6: Final answer
x = 984,128.99
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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.