Finding the Fourth Proportional to 1,118,268.06, 1,677,163.95 and 319,337.52
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Solution
The fourth proportional to 1,118,268.06, 1,677,163.95 and 319,337.52 is: 478,938.28
Step by Step Solution
- Step 1: Write the proportion equation
1,118,268.06 : 1,677,163.95 = 319,337.52 : x - Step 2: Convert to fraction form
1,118,268.06/1,677,163.95 = 319,337.52/x - Step 3: Cross multiply
1,118,268.06x = 1,677,163.95 × 319,337.52 - Step 4: Simplify right side
1,118,268.06x = 535,581,376,426.40 - Step 5: Solve for x
x = 535,581,376,426.40/1,118,268.06 - Step 6: Final answer
x = 478,938.28
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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.