Finding the Fourth Proportional to 1,154,176.49, 1,739,142.84 and 948,423.53
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Solution
The fourth proportional to 1,154,176.49, 1,739,142.84 and 948,423.53 is: 1,429,108.98
Step by Step Solution
- Step 1: Write the proportion equation
1,154,176.49 : 1,739,142.84 = 948,423.53 : x - Step 2: Convert to fraction form
1,154,176.49/1,739,142.84 = 948,423.53/x - Step 3: Cross multiply
1,154,176.49x = 1,739,142.84 × 948,423.53 - Step 4: Simplify right side
1,154,176.49x = 1,649,443,986,744.91 - Step 5: Solve for x
x = 1,649,443,986,744.91/1,154,176.49 - Step 6: Final answer
x = 1,429,108.98
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.