Finding the Fourth Proportional to 1,379,934.72, 1,904,302.08 and 776,327.68
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Solution
The fourth proportional to 1,379,934.72, 1,904,302.08 and 776,327.68 is: 1,071,327.79
Step by Step Solution
- Step 1: Write the proportion equation
1,379,934.72 : 1,904,302.08 = 776,327.68 : x - Step 2: Convert to fraction form
1,379,934.72/1,904,302.08 = 776,327.68/x - Step 3: Cross multiply
1,379,934.72x = 1,904,302.08 × 776,327.68 - Step 4: Simplify right side
1,379,934.72x = 1,478,362,415,785.57 - Step 5: Solve for x
x = 1,478,362,415,785.57/1,379,934.72 - Step 6: Final answer
x = 1,071,327.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.