Finding the Fourth Proportional to 1,685,831.68, 2,528,749.44 and 688,559.68
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Solution
The fourth proportional to 1,685,831.68, 2,528,749.44 and 688,559.68 is: 1,032,840.30
Step by Step Solution
- Step 1: Write the proportion equation
1,685,831.68 : 2,528,749.44 = 688,559.68 : x - Step 2: Convert to fraction form
1,685,831.68/2,528,749.44 = 688,559.68/x - Step 3: Cross multiply
1,685,831.68x = 2,528,749.44 × 688,559.68 - Step 4: Simplify right side
1,685,831.68x = 1,741,194,905,206.58 - Step 5: Solve for x
x = 1,741,194,905,206.58/1,685,831.68 - Step 6: Final answer
x = 1,032,840.30
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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.