Finding the Fourth Proportional to 1,378,860.27, 2,068,291.01 and 432,304.79
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Solution
The fourth proportional to 1,378,860.27, 2,068,291.01 and 432,304.79 is: 648,457.37
Step by Step Solution
- Step 1: Write the proportion equation
1,378,860.27 : 2,068,291.01 = 432,304.79 : x - Step 2: Convert to fraction form
1,378,860.27/2,068,291.01 = 432,304.79/x - Step 3: Cross multiply
1,378,860.27x = 2,068,291.01 × 432,304.79 - Step 4: Simplify right side
1,378,860.27x = 894,132,108,575.41 - Step 5: Solve for x
x = 894,132,108,575.41/1,378,860.27 - Step 6: Final answer
x = 648,457.37
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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.