Finding the Fourth Proportional to 1,201,590.62, 1,658,197.54 and 657,761.14
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Solution
The fourth proportional to 1,201,590.62, 1,658,197.54 and 657,761.14 is: 907,711.74
Step by Step Solution
- Step 1: Write the proportion equation
1,201,590.62 : 1,658,197.54 = 657,761.14 : x - Step 2: Convert to fraction form
1,201,590.62/1,658,197.54 = 657,761.14/x - Step 3: Cross multiply
1,201,590.62x = 1,658,197.54 × 657,761.14 - Step 4: Simplify right side
1,201,590.62x = 1,090,697,907,150.54 - Step 5: Solve for x
x = 1,090,697,907,150.54/1,201,590.62 - Step 6: Final answer
x = 907,711.74
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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.