Finding the Fourth Proportional to 1,480,419.12, 2,219,331.24 and 711,532.26
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Solution
The fourth proportional to 1,480,419.12, 2,219,331.24 and 711,532.26 is: 1,066,674.80
Step by Step Solution
- Step 1: Write the proportion equation
1,480,419.12 : 2,219,331.24 = 711,532.26 : x - Step 2: Convert to fraction form
1,480,419.12/2,219,331.24 = 711,532.26/x - Step 3: Cross multiply
1,480,419.12x = 2,219,331.24 × 711,532.26 - Step 4: Simplify right side
1,480,419.12x = 1,579,125,772,885.80 - Step 5: Solve for x
x = 1,579,125,772,885.80/1,480,419.12 - Step 6: Final answer
x = 1,066,674.80
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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.