Finding the Fourth Proportional to 1,182,178.12, 1,772,457.12 and 424,003.36
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Solution
The fourth proportional to 1,182,178.12, 1,772,457.12 and 424,003.36 is: 635,714.50
Step by Step Solution
- Step 1: Write the proportion equation
1,182,178.12 : 1,772,457.12 = 424,003.36 : x - Step 2: Convert to fraction form
1,182,178.12/1,772,457.12 = 424,003.36/x - Step 3: Cross multiply
1,182,178.12x = 1,772,457.12 × 424,003.36 - Step 4: Simplify right side
1,182,178.12x = 751,527,774,335.92 - Step 5: Solve for x
x = 751,527,774,335.92/1,182,178.12 - Step 6: Final answer
x = 635,714.50
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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.