Finding the Fourth Proportional to 1,269,088.11, 1,904,130.63 and 558,618.09
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Solution
The fourth proportional to 1,269,088.11, 1,904,130.63 and 558,618.09 is: 838,146.55
Step by Step Solution
- Step 1: Write the proportion equation
1,269,088.11 : 1,904,130.63 = 558,618.09 : x - Step 2: Convert to fraction form
1,269,088.11/1,904,130.63 = 558,618.09/x - Step 3: Cross multiply
1,269,088.11x = 1,904,130.63 × 558,618.09 - Step 4: Simplify right side
1,269,088.11x = 1,063,681,815,641.10 - Step 5: Solve for x
x = 1,063,681,815,641.10/1,269,088.11 - Step 6: Final answer
x = 838,146.55
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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.