Finding the Fourth Proportional to 1,274,905.49, 1,912,565.93 and 376,438.05
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Solution
The fourth proportional to 1,274,905.49, 1,912,565.93 and 376,438.05 is: 564,718.40
Step by Step Solution
- Step 1: Write the proportion equation
1,274,905.49 : 1,912,565.93 = 376,438.05 : x - Step 2: Convert to fraction form
1,274,905.49/1,912,565.93 = 376,438.05/x - Step 3: Cross multiply
1,274,905.49x = 1,912,565.93 × 376,438.05 - Step 4: Simplify right side
1,274,905.49x = 719,962,587,303.45 - Step 5: Solve for x
x = 719,962,587,303.45/1,274,905.49 - Step 6: Final answer
x = 564,718.40
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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.