Finding the Fourth Proportional to 1,202,108.70, 1,658,949.60 and 658,267.44
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Solution
The fourth proportional to 1,202,108.70, 1,658,949.60 and 658,267.44 is: 908,430.75
Step by Step Solution
- Step 1: Write the proportion equation
1,202,108.70 : 1,658,949.60 = 658,267.44 : x - Step 2: Convert to fraction form
1,202,108.70/1,658,949.60 = 658,267.44/x - Step 3: Cross multiply
1,202,108.70x = 1,658,949.60 × 658,267.44 - Step 4: Simplify right side
1,202,108.70x = 1,092,032,506,281.02 - Step 5: Solve for x
x = 1,092,032,506,281.02/1,202,108.70 - Step 6: Final answer
x = 908,430.75
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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.