Finding the Fourth Proportional to 1,201,176.99, 1,657,624.41 and 657,312.91
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Solution
The fourth proportional to 1,201,176.99, 1,657,624.41 and 657,312.91 is: 907,091.90
Step by Step Solution
- Step 1: Write the proportion equation
1,201,176.99 : 1,657,624.41 = 657,312.91 : x - Step 2: Convert to fraction form
1,201,176.99/1,657,624.41 = 657,312.91/x - Step 3: Cross multiply
1,201,176.99x = 1,657,624.41 × 657,312.91 - Step 4: Simplify right side
1,201,176.99x = 1,089,577,920,480.07 - Step 5: Solve for x
x = 1,089,577,920,480.07/1,201,176.99 - Step 6: Final answer
x = 907,091.90
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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.