Finding the Fourth Proportional to 1,249,836.25, 1,874,461.87 and 351,363.80
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Solution
The fourth proportional to 1,249,836.25, 1,874,461.87 and 351,363.80 is: 526,963.47
Step by Step Solution
- Step 1: Write the proportion equation
1,249,836.25 : 1,874,461.87 = 351,363.80 : x - Step 2: Convert to fraction form
1,249,836.25/1,874,461.87 = 351,363.80/x - Step 3: Cross multiply
1,249,836.25x = 1,874,461.87 × 351,363.80 - Step 4: Simplify right side
1,249,836.25x = 658,618,045,598.31 - Step 5: Solve for x
x = 658,618,045,598.31/1,249,836.25 - Step 6: Final answer
x = 526,963.47
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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.