Finding the Fourth Proportional to 1,312,043.40, 1,968,842.70 and 864,048.60
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Solution
The fourth proportional to 1,312,043.40, 1,968,842.70 and 864,048.60 is: 1,296,584.99
Step by Step Solution
- Step 1: Write the proportion equation
1,312,043.40 : 1,968,842.70 = 864,048.60 : x - Step 2: Convert to fraction form
1,312,043.40/1,968,842.70 = 864,048.60/x - Step 3: Cross multiply
1,312,043.40x = 1,968,842.70 × 864,048.60 - Step 4: Simplify right side
1,312,043.40x = 1,701,175,778,555.22 - Step 5: Solve for x
x = 1,701,175,778,555.22/1,312,043.40 - Step 6: Final answer
x = 1,296,584.99
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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.