Finding the Fourth Proportional to 1,117,988.96, 1,542,746.94 and 634,563.96
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Solution
The fourth proportional to 1,117,988.96, 1,542,746.94 and 634,563.96 is: 875,654.09
Step by Step Solution
- Step 1: Write the proportion equation
1,117,988.96 : 1,542,746.94 = 634,563.96 : x - Step 2: Convert to fraction form
1,117,988.96/1,542,746.94 = 634,563.96/x - Step 3: Cross multiply
1,117,988.96x = 1,542,746.94 × 634,563.96 - Step 4: Simplify right side
1,117,988.96x = 978,971,607,524.28 - Step 5: Solve for x
x = 978,971,607,524.28/1,117,988.96 - Step 6: Final answer
x = 875,654.09
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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.