Finding the Fourth Proportional to 1,194,681.68, 1,648,660 and 658,137.68
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Solution
The fourth proportional to 1,194,681.68, 1,648,660 and 658,137.68 is: 908,229.60
Step by Step Solution
- Step 1: Write the proportion equation
1,194,681.68 : 1,648,660 = 658,137.68 : x - Step 2: Convert to fraction form
1,194,681.68/1,648,660 = 658,137.68/x - Step 3: Cross multiply
1,194,681.68x = 1,648,660 × 658,137.68 - Step 4: Simplify right side
1,194,681.68x = 1,085,045,267,508.80 - Step 5: Solve for x
x = 1,085,045,267,508.80/1,194,681.68 - Step 6: Final answer
x = 908,229.60
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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.