Finding the Fourth Proportional to 1,167,157.12, 1,610,689.08 and 657,859.50
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Solution
The fourth proportional to 1,167,157.12, 1,610,689.08 and 657,859.50 is: 907,853.02
Step by Step Solution
- Step 1: Write the proportion equation
1,167,157.12 : 1,610,689.08 = 657,859.50 : x - Step 2: Convert to fraction form
1,167,157.12/1,610,689.08 = 657,859.50/x - Step 3: Cross multiply
1,167,157.12x = 1,610,689.08 × 657,859.50 - Step 4: Simplify right side
1,167,157.12x = 1,059,607,112,824.26 - Step 5: Solve for x
x = 1,059,607,112,824.26/1,167,157.12 - Step 6: Final answer
x = 907,853.02
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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.