Finding the Fourth Proportional to 1,438,822.40, 2,158,492.80 and 597,459.20
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Solution
The fourth proportional to 1,438,822.40, 2,158,492.80 and 597,459.20 is: 896,296.43
Step by Step Solution
- Step 1: Write the proportion equation
1,438,822.40 : 2,158,492.80 = 597,459.20 : x - Step 2: Convert to fraction form
1,438,822.40/2,158,492.80 = 597,459.20/x - Step 3: Cross multiply
1,438,822.40x = 2,158,492.80 × 597,459.20 - Step 4: Simplify right side
1,438,822.40x = 1,289,611,381,493.76 - Step 5: Solve for x
x = 1,289,611,381,493.76/1,438,822.40 - Step 6: Final answer
x = 896,296.43
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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.