Finding the Fourth Proportional to 1,228,895.81, 1,842,676.68 and 554,187.68
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Solution
The fourth proportional to 1,228,895.81, 1,842,676.68 and 554,187.68 is: 830,980.71
Step by Step Solution
- Step 1: Write the proportion equation
1,228,895.81 : 1,842,676.68 = 554,187.68 : x - Step 2: Convert to fraction form
1,228,895.81/1,842,676.68 = 554,187.68/x - Step 3: Cross multiply
1,228,895.81x = 1,842,676.68 × 554,187.68 - Step 4: Simplify right side
1,228,895.81x = 1,021,188,714,279.30 - Step 5: Solve for x
x = 1,021,188,714,279.30/1,228,895.81 - Step 6: Final answer
x = 830,980.71
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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.