Finding the Fourth Proportional to 1,126,043.80, 1,685,955.30 and 877,211.80
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Solution
The fourth proportional to 1,126,043.80, 1,685,955.30 and 877,211.80 is: 1,313,394.63
Step by Step Solution
- Step 1: Write the proportion equation
1,126,043.80 : 1,685,955.30 = 877,211.80 : x - Step 2: Convert to fraction form
1,126,043.80/1,685,955.30 = 877,211.80/x - Step 3: Cross multiply
1,126,043.80x = 1,685,955.30 × 877,211.80 - Step 4: Simplify right side
1,126,043.80x = 1,478,939,883,432.54 - Step 5: Solve for x
x = 1,478,939,883,432.54/1,126,043.80 - Step 6: Final answer
x = 1,313,394.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.