Finding the Fourth Proportional to 1,377,412.68, 2,064,935.58 and 478,737.72
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Solution
The fourth proportional to 1,377,412.68, 2,064,935.58 and 478,737.72 is: 717,695.26
Step by Step Solution
- Step 1: Write the proportion equation
1,377,412.68 : 2,064,935.58 = 478,737.72 : x - Step 2: Convert to fraction form
1,377,412.68/2,064,935.58 = 478,737.72/x - Step 3: Cross multiply
1,377,412.68x = 2,064,935.58 × 478,737.72 - Step 4: Simplify right side
1,377,412.68x = 988,562,551,516.08 - Step 5: Solve for x
x = 988,562,551,516.08/1,377,412.68 - Step 6: Final answer
x = 717,695.26
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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.