Finding the Fourth Proportional to 1,158,310.30, 1,735,952.27 and 645,954.99
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Solution
The fourth proportional to 1,158,310.30, 1,735,952.27 and 645,954.99 is: 968,088.63
Step by Step Solution
- Step 1: Write the proportion equation
1,158,310.30 : 1,735,952.27 = 645,954.99 : x - Step 2: Convert to fraction form
1,158,310.30/1,735,952.27 = 645,954.99/x - Step 3: Cross multiply
1,158,310.30x = 1,735,952.27 × 645,954.99 - Step 4: Simplify right side
1,158,310.30x = 1,121,347,027,978.55 - Step 5: Solve for x
x = 1,121,347,027,978.55/1,158,310.30 - Step 6: Final answer
x = 968,088.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.