Finding the Fourth Proportional to 1,324,371.84, 1,827,641.28 and 720,766.08
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Solution
The fourth proportional to 1,324,371.84, 1,827,641.28 and 720,766.08 is: 994,661.62
Step by Step Solution
- Step 1: Write the proportion equation
1,324,371.84 : 1,827,641.28 = 720,766.08 : x - Step 2: Convert to fraction form
1,324,371.84/1,827,641.28 = 720,766.08/x - Step 3: Cross multiply
1,324,371.84x = 1,827,641.28 × 720,766.08 - Step 4: Simplify right side
1,324,371.84x = 1,317,301,841,031.78 - Step 5: Solve for x
x = 1,317,301,841,031.78/1,324,371.84 - Step 6: Final answer
x = 994,661.62
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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.