Finding the Fourth Proportional to 1,251,963.99, 1,727,712.45 and 679,004.64
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Solution
The fourth proportional to 1,251,963.99, 1,727,712.45 and 679,004.64 is: 937,027.57
Step by Step Solution
- Step 1: Write the proportion equation
1,251,963.99 : 1,727,712.45 = 679,004.64 : x - Step 2: Convert to fraction form
1,251,963.99/1,727,712.45 = 679,004.64/x - Step 3: Cross multiply
1,251,963.99x = 1,727,712.45 × 679,004.64 - Step 4: Simplify right side
1,251,963.99x = 1,173,124,770,135.77 - Step 5: Solve for x
x = 1,173,124,770,135.77/1,251,963.99 - Step 6: Final answer
x = 937,027.57
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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.