Finding the Fourth Proportional to 1,353,288.48, 2,029,296.98 and 784,831.12
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Solution
The fourth proportional to 1,353,288.48, 2,029,296.98 and 784,831.12 is: 1,176,877.99
Step by Step Solution
- Step 1: Write the proportion equation
1,353,288.48 : 2,029,296.98 = 784,831.12 : x - Step 2: Convert to fraction form
1,353,288.48/2,029,296.98 = 784,831.12/x - Step 3: Cross multiply
1,353,288.48x = 2,029,296.98 × 784,831.12 - Step 4: Simplify right side
1,353,288.48x = 1,592,655,421,626.02 - Step 5: Solve for x
x = 1,592,655,421,626.02/1,353,288.48 - Step 6: Final answer
x = 1,176,877.99
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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.