Finding the Fourth Proportional to 1,172,546.99, 1,758,372.14 and 639,783.26
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Solution
The fourth proportional to 1,172,546.99, 1,758,372.14 and 639,783.26 is: 959,430.25
Step by Step Solution
- Step 1: Write the proportion equation
1,172,546.99 : 1,758,372.14 = 639,783.26 : x - Step 2: Convert to fraction form
1,172,546.99/1,758,372.14 = 639,783.26/x - Step 3: Cross multiply
1,172,546.99x = 1,758,372.14 × 639,783.26 - Step 4: Simplify right side
1,172,546.99x = 1,124,977,048,031.60 - Step 5: Solve for x
x = 1,124,977,048,031.60/1,172,546.99 - Step 6: Final answer
x = 959,430.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.