Finding the Fourth Proportional to 1,174,515.43, 1,620,965.74 and 658,408.71
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Solution
The fourth proportional to 1,174,515.43, 1,620,965.74 and 658,408.71 is: 908,679.39
Step by Step Solution
- Step 1: Write the proportion equation
1,174,515.43 : 1,620,965.74 = 658,408.71 : x - Step 2: Convert to fraction form
1,174,515.43/1,620,965.74 = 658,408.71/x - Step 3: Cross multiply
1,174,515.43x = 1,620,965.74 × 658,408.71 - Step 4: Simplify right side
1,174,515.43x = 1,067,257,961,827.60 - Step 5: Solve for x
x = 1,067,257,961,827.60/1,174,515.43 - Step 6: Final answer
x = 908,679.39
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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.