Finding the Fourth Proportional to 1,313,623.95, 1,971,214.16 and 555,423.99
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Solution
The fourth proportional to 1,313,623.95, 1,971,214.16 and 555,423.99 is: 833,465.03
Step by Step Solution
- Step 1: Write the proportion equation
1,313,623.95 : 1,971,214.16 = 555,423.99 : x - Step 2: Convert to fraction form
1,313,623.95/1,971,214.16 = 555,423.99/x - Step 3: Cross multiply
1,313,623.95x = 1,971,214.16 × 555,423.99 - Step 4: Simplify right side
1,313,623.95x = 1,094,859,631,114.58 - Step 5: Solve for x
x = 1,094,859,631,114.58/1,313,623.95 - Step 6: Final answer
x = 833,465.03
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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.