Finding the Fourth Proportional to 1,275,113.34, 1,759,658.99 and 702,154.58
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Solution
The fourth proportional to 1,275,113.34, 1,759,658.99 and 702,154.58 is: 968,974.73
Step by Step Solution
- Step 1: Write the proportion equation
1,275,113.34 : 1,759,658.99 = 702,154.58 : x - Step 2: Convert to fraction form
1,275,113.34/1,759,658.99 = 702,154.58/x - Step 3: Cross multiply
1,275,113.34x = 1,759,658.99 × 702,154.58 - Step 4: Simplify right side
1,275,113.34x = 1,235,552,606,757.61 - Step 5: Solve for x
x = 1,235,552,606,757.61/1,275,113.34 - Step 6: Final answer
x = 968,974.73
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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.