Finding the Fourth Proportional to 1,248,679.71, 1,723,177.99 and 675,719.88
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Solution
The fourth proportional to 1,248,679.71, 1,723,177.99 and 675,719.88 is: 932,493.43
Step by Step Solution
- Step 1: Write the proportion equation
1,248,679.71 : 1,723,177.99 = 675,719.88 : x - Step 2: Convert to fraction form
1,248,679.71/1,723,177.99 = 675,719.88/x - Step 3: Cross multiply
1,248,679.71x = 1,723,177.99 × 675,719.88 - Step 4: Simplify right side
1,248,679.71x = 1,164,385,621,403.62 - Step 5: Solve for x
x = 1,164,385,621,403.62/1,248,679.71 - Step 6: Final answer
x = 932,493.43
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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.