Finding the Fourth Proportional to 1,352,959.68, 1,867,098.08 and 816,312
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Solution
The fourth proportional to 1,352,959.68, 1,867,098.08 and 816,312 is: 1,126,518.84
Step by Step Solution
- Step 1: Write the proportion equation
1,352,959.68 : 1,867,098.08 = 816,312 : x - Step 2: Convert to fraction form
1,352,959.68/1,867,098.08 = 816,312/x - Step 3: Cross multiply
1,352,959.68x = 1,867,098.08 × 816,312 - Step 4: Simplify right side
1,352,959.68x = 1,524,134,567,880.96 - Step 5: Solve for x
x = 1,524,134,567,880.96/1,352,959.68 - Step 6: Final answer
x = 1,126,518.84
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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.