Finding the Fourth Proportional to 1,403,508.31, 1,936,840.08 and 758,926.97
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Solution
The fourth proportional to 1,403,508.31, 1,936,840.08 and 758,926.97 is: 1,047,318.47
Step by Step Solution
- Step 1: Write the proportion equation
1,403,508.31 : 1,936,840.08 = 758,926.97 : x - Step 2: Convert to fraction form
1,403,508.31/1,936,840.08 = 758,926.97/x - Step 3: Cross multiply
1,403,508.31x = 1,936,840.08 × 758,926.97 - Step 4: Simplify right side
1,403,508.31x = 1,469,920,173,288.96 - Step 5: Solve for x
x = 1,469,920,173,288.96/1,403,508.31 - Step 6: Final answer
x = 1,047,318.47
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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.