Finding the Fourth Proportional to 1,219,854.96, 1,683,464.58 and 676,050.12
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Solution
The fourth proportional to 1,219,854.96, 1,683,464.58 and 676,050.12 is: 932,985.04
Step by Step Solution
- Step 1: Write the proportion equation
1,219,854.96 : 1,683,464.58 = 676,050.12 : x - Step 2: Convert to fraction form
1,219,854.96/1,683,464.58 = 676,050.12/x - Step 3: Cross multiply
1,219,854.96x = 1,683,464.58 × 676,050.12 - Step 4: Simplify right side
1,219,854.96x = 1,138,106,431,324.75 - Step 5: Solve for x
x = 1,138,106,431,324.75/1,219,854.96 - Step 6: Final answer
x = 932,985.04
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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.