Finding the Fourth Proportional to 1,257,807.84, 1,735,805.92 and 684,879.36
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Solution
The fourth proportional to 1,257,807.84, 1,735,805.92 and 684,879.36 is: 945,150.45
Step by Step Solution
- Step 1: Write the proportion equation
1,257,807.84 : 1,735,805.92 = 684,879.36 : x - Step 2: Convert to fraction form
1,257,807.84/1,735,805.92 = 684,879.36/x - Step 3: Cross multiply
1,257,807.84x = 1,735,805.92 × 684,879.36 - Step 4: Simplify right side
1,257,807.84x = 1,188,817,647,573.81 - Step 5: Solve for x
x = 1,188,817,647,573.81/1,257,807.84 - Step 6: Final answer
x = 945,150.45
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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.