Finding the Fourth Proportional to 1,117,278.24, 1,541,878.88 and 633,863.76
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Solution
The fourth proportional to 1,117,278.24, 1,541,878.88 and 633,863.76 is: 874,751.79
Step by Step Solution
- Step 1: Write the proportion equation
1,117,278.24 : 1,541,878.88 = 633,863.76 : x - Step 2: Convert to fraction form
1,117,278.24/1,541,878.88 = 633,863.76/x - Step 3: Cross multiply
1,117,278.24x = 1,541,878.88 × 633,863.76 - Step 4: Simplify right side
1,117,278.24x = 977,341,144,341.39 - Step 5: Solve for x
x = 977,341,144,341.39/1,117,278.24 - Step 6: Final answer
x = 874,751.79
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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.