Finding the Fourth Proportional to 1,136,387.56, 1,704,138.36 and 426,028
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Solution
The fourth proportional to 1,136,387.56, 1,704,138.36 and 426,028 is: 638,875.93
Step by Step Solution
- Step 1: Write the proportion equation
1,136,387.56 : 1,704,138.36 = 426,028 : x - Step 2: Convert to fraction form
1,136,387.56/1,704,138.36 = 426,028/x - Step 3: Cross multiply
1,136,387.56x = 1,704,138.36 × 426,028 - Step 4: Simplify right side
1,136,387.56x = 726,010,657,234.08 - Step 5: Solve for x
x = 726,010,657,234.08/1,136,387.56 - Step 6: Final answer
x = 638,875.93
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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.