Finding the Fourth Proportional to 1,055,513.99, 1,582,671.17 and 415,470.83
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Solution
The fourth proportional to 1,055,513.99, 1,582,671.17 and 415,470.83 is: 622,970.14
Step by Step Solution
- Step 1: Write the proportion equation
1,055,513.99 : 1,582,671.17 = 415,470.83 : x - Step 2: Convert to fraction form
1,055,513.99/1,582,671.17 = 415,470.83/x - Step 3: Cross multiply
1,055,513.99x = 1,582,671.17 × 415,470.83 - Step 4: Simplify right side
1,055,513.99x = 657,553,694,626.26 - Step 5: Solve for x
x = 657,553,694,626.26/1,055,513.99 - Step 6: Final answer
x = 622,970.14
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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.