Finding the Fourth Proportional to 1,437,133.68, 2,156,167.08 and 689,238
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Solution
The fourth proportional to 1,437,133.68, 2,156,167.08 and 689,238 is: 1,034,080.76
Step by Step Solution
- Step 1: Write the proportion equation
1,437,133.68 : 2,156,167.08 = 689,238 : x - Step 2: Convert to fraction form
1,437,133.68/2,156,167.08 = 689,238/x - Step 3: Cross multiply
1,437,133.68x = 2,156,167.08 × 689,238 - Step 4: Simplify right side
1,437,133.68x = 1,486,112,285,885.04 - Step 5: Solve for x
x = 1,486,112,285,885.04/1,437,133.68 - Step 6: Final answer
x = 1,034,080.76
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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.