Finding the Fourth Proportional to 1,249,043.66, 1,723,684.56 and 676,083.68
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Solution
The fourth proportional to 1,249,043.66, 1,723,684.56 and 676,083.68 is: 932,997.81
Step by Step Solution
- Step 1: Write the proportion equation
1,249,043.66 : 1,723,684.56 = 676,083.68 : x - Step 2: Convert to fraction form
1,249,043.66/1,723,684.56 = 676,083.68/x - Step 3: Cross multiply
1,249,043.66x = 1,723,684.56 × 676,083.68 - Step 4: Simplify right side
1,249,043.66x = 1,165,355,000,483.98 - Step 5: Solve for x
x = 1,165,355,000,483.98/1,249,043.66 - Step 6: Final answer
x = 932,997.81
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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.