Finding the Fourth Proportional to 1,071,992.63, 1,607,743.36 and 639,832.02
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Solution
The fourth proportional to 1,071,992.63, 1,607,743.36 and 639,832.02 is: 959,601.45
Step by Step Solution
- Step 1: Write the proportion equation
1,071,992.63 : 1,607,743.36 = 639,832.02 : x - Step 2: Convert to fraction form
1,071,992.63/1,607,743.36 = 639,832.02/x - Step 3: Cross multiply
1,071,992.63x = 1,607,743.36 × 639,832.02 - Step 4: Simplify right side
1,071,992.63x = 1,028,685,681,670.39 - Step 5: Solve for x
x = 1,028,685,681,670.39/1,071,992.63 - Step 6: Final answer
x = 959,601.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.