Finding the Fourth Proportional to 1,248,645.99, 1,723,143.77 and 675,698.46
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Solution
The fourth proportional to 1,248,645.99, 1,723,143.77 and 675,698.46 is: 932,470.53
Step by Step Solution
- Step 1: Write the proportion equation
1,248,645.99 : 1,723,143.77 = 675,698.46 : x - Step 2: Convert to fraction form
1,248,645.99/1,723,143.77 = 675,698.46/x - Step 3: Cross multiply
1,248,645.99x = 1,723,143.77 × 675,698.46 - Step 4: Simplify right side
1,248,645.99x = 1,164,325,588,369.10 - Step 5: Solve for x
x = 1,164,325,588,369.10/1,248,645.99 - Step 6: Final answer
x = 932,470.53
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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.