Finding the Fourth Proportional to 1,212,257.12, 1,817,858.63 and 347,501.59
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Solution
The fourth proportional to 1,212,257.12, 1,817,858.63 and 347,501.59 is: 521,101.30
Step by Step Solution
- Step 1: Write the proportion equation
1,212,257.12 : 1,817,858.63 = 347,501.59 : x - Step 2: Convert to fraction form
1,212,257.12/1,817,858.63 = 347,501.59/x - Step 3: Cross multiply
1,212,257.12x = 1,817,858.63 × 347,501.59 - Step 4: Simplify right side
1,212,257.12x = 631,708,764,320.22 - Step 5: Solve for x
x = 631,708,764,320.22/1,212,257.12 - Step 6: Final answer
x = 521,101.30
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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.