Finding the Fourth Proportional to 1,129,696.74, 1,559,008.62 and 620,410.05
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Solution
The fourth proportional to 1,129,696.74, 1,559,008.62 and 620,410.05 is: 856,180.76
Step by Step Solution
- Step 1: Write the proportion equation
1,129,696.74 : 1,559,008.62 = 620,410.05 : x - Step 2: Convert to fraction form
1,129,696.74/1,559,008.62 = 620,410.05/x - Step 3: Cross multiply
1,129,696.74x = 1,559,008.62 × 620,410.05 - Step 4: Simplify right side
1,129,696.74x = 967,224,615,884.63 - Step 5: Solve for x
x = 967,224,615,884.63/1,129,696.74 - Step 6: Final answer
x = 856,180.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.