Finding the Fourth Proportional to 1,228,676.85, 1,695,368.48 and 684,693.41
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Solution
The fourth proportional to 1,228,676.85, 1,695,368.48 and 684,693.41 is: 944,762.34
Step by Step Solution
- Step 1: Write the proportion equation
1,228,676.85 : 1,695,368.48 = 684,693.41 : x - Step 2: Convert to fraction form
1,228,676.85/1,695,368.48 = 684,693.41/x - Step 3: Cross multiply
1,228,676.85x = 1,695,368.48 × 684,693.41 - Step 4: Simplify right side
1,228,676.85x = 1,160,807,613,877.41 - Step 5: Solve for x
x = 1,160,807,613,877.41/1,228,676.85 - Step 6: Final answer
x = 944,762.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.