Finding the Fourth Proportional to 1,011,707.28, 1,396,036.32 and 603,733.44
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Solution
The fourth proportional to 1,011,707.28, 1,396,036.32 and 603,733.44 is: 833,080.70
Step by Step Solution
- Step 1: Write the proportion equation
1,011,707.28 : 1,396,036.32 = 603,733.44 : x - Step 2: Convert to fraction form
1,011,707.28/1,396,036.32 = 603,733.44/x - Step 3: Cross multiply
1,011,707.28x = 1,396,036.32 × 603,733.44 - Step 4: Simplify right side
1,011,707.28x = 842,833,809,838.54 - Step 5: Solve for x
x = 842,833,809,838.54/1,011,707.28 - Step 6: Final answer
x = 833,080.70
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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.